/*!
 * jQuery JavaScript Library v1.9.1
 * http://jquery.com/
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 *
 * Copyright 2005, 2012 jQuery Foundation, Inc. and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: 2013-2-4
 */
(function( window, undefined ) {

// Can't do this because several apps including ASP.NET trace
// the stack via arguments.caller.callee and Firefox dies if
// you try to trace through "use strict" call chains. (#13335)
// Support: Firefox 18+
//"use strict";
  var
      // The deferred used on DOM ready
      readyList,

      // A central reference to the root jQuery(document)
      rootjQuery,

      // Support: IE<9
      // For `typeof node.method` instead of `node.method !== undefined`
      core_strundefined = typeof undefined,

      // Use the correct document accordingly with window argument (sandbox)
      document = window.document,
      location = window.location,

      // Map over jQuery in case of overwrite
      _jQuery = window.jQuery,

      // Map over the $ in case of overwrite
      _$ = window.$,

      // [[Class]] -> type pairs
      class2type = {},

      // List of deleted data cache ids, so we can reuse them
      core_deletedIds = [],

      core_version = "1.9.1",

      // Save a reference to some core methods
      core_concat = core_deletedIds.concat,
      core_push = core_deletedIds.push,
      core_slice = core_deletedIds.slice,
      core_indexOf = core_deletedIds.indexOf,
      core_toString = class2type.toString,
      core_hasOwn = class2type.hasOwnProperty,
      core_trim = core_version.trim,

      // Define a local copy of jQuery
      jQuery = function( selector, context ) {
        // The jQuery object is actually just the init constructor 'enhanced'
        return new jQuery.fn.init( selector, context, rootjQuery );
      },

      // Used for matching numbers
      core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,

      // Used for splitting on whitespace
      core_rnotwhite = /\S+/g,

      // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
      rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,

      // A simple way to check for HTML strings
      // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
      // Strict HTML recognition (#11290: must start with <)
      rquickExpr = /^(?:(<[\w\W]+>)[^>]*|#([\w-]*))$/,

      // Match a standalone tag
      rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,

      // JSON RegExp
      rvalidchars = /^[\],:{}\s]*$/,
      rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
      rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
      rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g,

      // Matches dashed string for camelizing
      rmsPrefix = /^-ms-/,
      rdashAlpha = /-([\da-z])/gi,

      // Used by jQuery.camelCase as callback to replace()
      fcamelCase = function( all, letter ) {
        return letter.toUpperCase();
      },

      // The ready event handler
      completed = function( event ) {

        // readyState === "complete" is good enough for us to call the dom ready in oldIE
        if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
          detach();
          jQuery.ready();
        }
      },
      // Clean-up method for dom ready events
      detach = function() {
        if ( document.addEventListener ) {
          document.removeEventListener( "DOMContentLoaded", completed, false );
          window.removeEventListener( "load", completed, false );

        } else {
          document.detachEvent( "onreadystatechange", completed );
          window.detachEvent( "onload", completed );
        }
      };

  jQuery.fn = jQuery.prototype = {
    // The current version of jQuery being used
    jquery: core_version,

    constructor: jQuery,
    init: function( selector, context, rootjQuery ) {
      var match, elem;

      // HANDLE: $(""), $(null), $(undefined), $(false)
      if ( !selector ) {
        return this;
      }

      // Handle HTML strings
      if ( typeof selector === "string" ) {
        if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
          // Assume that strings that start and end with <> are HTML and skip the regex check
          match = [ null, selector, null ];

        } else {
          match = rquickExpr.exec( selector );
        }

        // Match html or make sure no context is specified for #id
        if ( match && (match[1] || !context) ) {

          // HANDLE: $(html) -> $(array)
          if ( match[1] ) {
            context = context instanceof jQuery ? context[0] : context;

            // scripts is true for back-compat
            jQuery.merge( this, jQuery.parseHTML(
                match[1],
                context && context.nodeType ? context.ownerDocument || context : document,
                true
            ) );

            // HANDLE: $(html, props)
            if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
              for ( match in context ) {
                // Properties of context are called as methods if possible
                if ( jQuery.isFunction( this[ match ] ) ) {
                  this[ match ]( context[ match ] );

                  // ...and otherwise set as attributes
                } else {
                  this.attr( match, context[ match ] );
                }
              }
            }

            return this;

            // HANDLE: $(#id)
          } else {
            elem = document.getElementById( match[2] );

            // Check parentNode to catch when Blackberry 4.6 returns
            // nodes that are no longer in the document #6963
            if ( elem && elem.parentNode ) {
              // Handle the case where IE and Opera return items
              // by name instead of ID
              if ( elem.id !== match[2] ) {
                return rootjQuery.find( selector );
              }

              // Otherwise, we inject the element directly into the jQuery object
              this.length = 1;
              this[0] = elem;
            }

            this.context = document;
            this.selector = selector;
            return this;
          }

          // HANDLE: $(expr, $(...))
        } else if ( !context || context.jquery ) {
          return ( context || rootjQuery ).find( selector );

          // HANDLE: $(expr, context)
          // (which is just equivalent to: $(context).find(expr)
        } else {
          return this.constructor( context ).find( selector );
        }

        // HANDLE: $(DOMElement)
      } else if ( selector.nodeType ) {
        this.context = this[0] = selector;
        this.length = 1;
        return this;

        // HANDLE: $(function)
        // Shortcut for document ready
      } else if ( jQuery.isFunction( selector ) ) {
        return rootjQuery.ready( selector );
      }

      if ( selector.selector !== undefined ) {
        this.selector = selector.selector;
        this.context = selector.context;
      }

      return jQuery.makeArray( selector, this );
    },

    // Start with an empty selector
    selector: "",

    // The default length of a jQuery object is 0
    length: 0,

    // The number of elements contained in the matched element set
    size: function() {
      return this.length;
    },

    toArray: function() {
      return core_slice.call( this );
    },

    // Get the Nth element in the matched element set OR
    // Get the whole matched element set as a clean array
    get: function( num ) {
      return num == null ?

          // Return a 'clean' array
          this.toArray() :

          // Return just the object
          ( num < 0 ? this[ this.length + num ] : this[ num ] );
    },

    // Take an array of elements and push it onto the stack
    // (returning the new matched element set)
    pushStack: function( elems ) {

      // Build a new jQuery matched element set
      var ret = jQuery.merge( this.constructor(), elems );

      // Add the old object onto the stack (as a reference)
      ret.prevObject = this;
      ret.context = this.context;

      // Return the newly-formed element set
      return ret;
    },

    // Execute a callback for every element in the matched set.
    // (You can seed the arguments with an array of args, but this is
    // only used internally.)
    each: function( callback, args ) {
      return jQuery.each( this, callback, args );
    },

    ready: function( fn ) {
      // Add the callback
      jQuery.ready.promise().done( fn );

      return this;
    },

    slice: function() {
      return this.pushStack( core_slice.apply( this, arguments ) );
    },

    first: function() {
      return this.eq( 0 );
    },

    last: function() {
      return this.eq( -1 );
    },

    eq: function( i ) {
      var len = this.length,
          j = +i + ( i < 0 ? len : 0 );
      return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
    },

    map: function( callback ) {
      return this.pushStack( jQuery.map(this, function( elem, i ) {
        return callback.call( elem, i, elem );
      }));
    },

    end: function() {
      return this.prevObject || this.constructor(null);
    },

    // For internal use only.
    // Behaves like an Array's method, not like a jQuery method.
    push: core_push,
    sort: [].sort,
    splice: [].splice
  };

// Give the init function the jQuery prototype for later instantiation
  jQuery.fn.init.prototype = jQuery.fn;

  jQuery.extend = jQuery.fn.extend = function() {
    var src, copyIsArray, copy, name, options, clone,
        target = arguments[0] || {},
        i = 1,
        length = arguments.length,
        deep = false;

    // Handle a deep copy situation
    if ( typeof target === "boolean" ) {
      deep = target;
      target = arguments[1] || {};
      // skip the boolean and the target
      i = 2;
    }

    // Handle case when target is a string or something (possible in deep copy)
    if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
      target = {};
    }

    // extend jQuery itself if only one argument is passed
    if ( length === i ) {
      target = this;
      --i;
    }

    for ( ; i < length; i++ ) {
      // Only deal with non-null/undefined values
      if ( (options = arguments[ i ]) != null ) {
        // Extend the base object
        for ( name in options ) {
          src = target[ name ];
          copy = options[ name ];

          // Prevent never-ending loop
          if ( target === copy ) {
            continue;
          }

          // Recurse if we're merging plain objects or arrays
          if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
            if ( copyIsArray ) {
              copyIsArray = false;
              clone = src && jQuery.isArray(src) ? src : [];

            } else {
              clone = src && jQuery.isPlainObject(src) ? src : {};
            }

            // Never move original objects, clone them
            target[ name ] = jQuery.extend( deep, clone, copy );

            // Don't bring in undefined values
          } else if ( copy !== undefined ) {
            target[ name ] = copy;
          }
        }
      }
    }

    // Return the modified object
    return target;
  };

  jQuery.extend({
    noConflict: function( deep ) {
      if ( window.$ === jQuery ) {
        window.$ = _$;
      }

      if ( deep && window.jQuery === jQuery ) {
        window.jQuery = _jQuery;
      }

      return jQuery;
    },

    // Is the DOM ready to be used? Set to true once it occurs.
    isReady: false,

    // A counter to track how many items to wait for before
    // the ready event fires. See #6781
    readyWait: 1,

    // Hold (or release) the ready event
    holdReady: function( hold ) {
      if ( hold ) {
        jQuery.readyWait++;
      } else {
        jQuery.ready( true );
      }
    },

    // Handle when the DOM is ready
    ready: function( wait ) {

      // Abort if there are pending holds or we're already ready
      if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
        return;
      }

      // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
      if ( !document.body ) {
        return setTimeout( jQuery.ready );
      }

      // Remember that the DOM is ready
      jQuery.isReady = true;

      // If a normal DOM Ready event fired, decrement, and wait if need be
      if ( wait !== true && --jQuery.readyWait > 0 ) {
        return;
      }

      // If there are functions bound, to execute
      readyList.resolveWith( document, [ jQuery ] );

      // Trigger any bound ready events
      if ( jQuery.fn.trigger ) {
        jQuery( document ).trigger("ready").off("ready");
      }
    },

    // See test/unit/core.js for details concerning isFunction.
    // Since version 1.3, DOM methods and functions like alert
    // aren't supported. They return false on IE (#2968).
    isFunction: function( obj ) {
      return jQuery.type(obj) === "function";
    },

    isArray: Array.isArray || function( obj ) {
      return jQuery.type(obj) === "array";
    },

    isWindow: function( obj ) {
      return obj != null && obj == obj.window;
    },

    isNumeric: function( obj ) {
      return !isNaN( parseFloat(obj) ) && isFinite( obj );
    },

    type: function( obj ) {
      if ( obj == null ) {
        return String( obj );
      }
      return typeof obj === "object" || typeof obj === "function" ?
          class2type[ core_toString.call(obj) ] || "object" :
          typeof obj;
    },

    isPlainObject: function( obj ) {
      // Must be an Object.
      // Because of IE, we also have to check the presence of the constructor property.
      // Make sure that DOM nodes and window objects don't pass through, as well
      if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
        return false;
      }

      try {
        // Not own constructor property must be Object
        if ( obj.constructor &&
            !core_hasOwn.call(obj, "constructor") &&
            !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
          return false;
        }
      } catch ( e ) {
        // IE8,9 Will throw exceptions on certain host objects #9897
        return false;
      }

      // Own properties are enumerated firstly, so to speed up,
      // if last one is own, then all properties are own.

      var key;
      for ( key in obj ) {}

      return key === undefined || core_hasOwn.call( obj, key );
    },

    isEmptyObject: function( obj ) {
      var name;
      for ( name in obj ) {
        return false;
      }
      return true;
    },

    error: function( msg ) {
      throw new Error( msg );
    },

    // data: string of html
    // context (optional): If specified, the fragment will be created in this context, defaults to document
    // keepScripts (optional): If true, will include scripts passed in the html string
    parseHTML: function( data, context, keepScripts ) {
      if ( !data || typeof data !== "string" ) {
        return null;
      }
      if ( typeof context === "boolean" ) {
        keepScripts = context;
        context = false;
      }
      context = context || document;

      var parsed = rsingleTag.exec( data ),
          scripts = !keepScripts && [];

      // Single tag
      if ( parsed ) {
        return [ context.createElement( parsed[1] ) ];
      }

      parsed = jQuery.buildFragment( [ data ], context, scripts );
      if ( scripts ) {
        jQuery( scripts ).remove();
      }
      return jQuery.merge( [], parsed.childNodes );
    },

    parseJSON: function( data ) {
      // Attempt to parse using the native JSON parser first
      if ( window.JSON && window.JSON.parse ) {
        return window.JSON.parse( data );
      }

      if ( data === null ) {
        return data;
      }

      if ( typeof data === "string" ) {

        // Make sure leading/trailing whitespace is removed (IE can't handle it)
        data = jQuery.trim( data );

        if ( data ) {
          // Make sure the incoming data is actual JSON
          // Logic borrowed from http://json.org/json2.js
          if ( rvalidchars.test( data.replace( rvalidescape, "@" )
              .replace( rvalidtokens, "]" )
              .replace( rvalidbraces, "")) ) {

            return ( new Function( "return " + data ) )();
          }
        }
      }

      jQuery.error( "Invalid JSON: " + data );
    },

    // Cross-browser xml parsing
    parseXML: function( data ) {
      var xml, tmp;
      if ( !data || typeof data !== "string" ) {
        return null;
      }
      try {
        if ( window.DOMParser ) { // Standard
          tmp = new DOMParser();
          xml = tmp.parseFromString( data , "text/xml" );
        } else { // IE
          xml = new ActiveXObject( "Microsoft.XMLDOM" );
          xml.async = "false";
          xml.loadXML( data );
        }
      } catch( e ) {
        xml = undefined;
      }
      if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
        jQuery.error( "Invalid XML: " + data );
      }
      return xml;
    },

    noop: function() {},

    // Evaluates a script in a global context
    // Workarounds based on findings by Jim Driscoll
    // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
    globalEval: function( data ) {
      if ( data && jQuery.trim( data ) ) {
        // We use execScript on Internet Explorer
        // We use an anonymous function so that context is window
        // rather than jQuery in Firefox
        ( window.execScript || function( data ) {
          window[ "eval" ].call( window, data );
        } )( data );
      }
    },

    // Convert dashed to camelCase; used by the css and data modules
    // Microsoft forgot to hump their vendor prefix (#9572)
    camelCase: function( string ) {
      return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
    },

    nodeName: function( elem, name ) {
      return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
    },

    // args is for internal usage only
    each: function( obj, callback, args ) {
      var value,
          i = 0,
          length = obj.length,
          isArray = isArraylike( obj );

      if ( args ) {
        if ( isArray ) {
          for ( ; i < length; i++ ) {
            value = callback.apply( obj[ i ], args );

            if ( value === false ) {
              break;
            }
          }
        } else {
          for ( i in obj ) {
            value = callback.apply( obj[ i ], args );

            if ( value === false ) {
              break;
            }
          }
        }

        // A special, fast, case for the most common use of each
      } else {
        if ( isArray ) {
          for ( ; i < length; i++ ) {
            value = callback.call( obj[ i ], i, obj[ i ] );

            if ( value === false ) {
              break;
            }
          }
        } else {
          for ( i in obj ) {
            value = callback.call( obj[ i ], i, obj[ i ] );

            if ( value === false ) {
              break;
            }
          }
        }
      }

      return obj;
    },

    // Use native String.trim function wherever possible
    trim: core_trim && !core_trim.call("\uFEFF\xA0") ?
        function( text ) {
          return text == null ?
              "" :
              core_trim.call( text );
        } :

        // Otherwise use our own trimming functionality
        function( text ) {
          return text == null ?
              "" :
              ( text + "" ).replace( rtrim, "" );
        },

    // results is for internal usage only
    makeArray: function( arr, results ) {
      var ret = results || [];

      if ( arr != null ) {
        if ( isArraylike( Object(arr) ) ) {
          jQuery.merge( ret,
              typeof arr === "string" ?
                  [ arr ] : arr
          );
        } else {
          core_push.call( ret, arr );
        }
      }

      return ret;
    },

    inArray: function( elem, arr, i ) {
      var len;

      if ( arr ) {
        if ( core_indexOf ) {
          return core_indexOf.call( arr, elem, i );
        }

        len = arr.length;
        i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;

        for ( ; i < len; i++ ) {
          // Skip accessing in sparse arrays
          if ( i in arr && arr[ i ] === elem ) {
            return i;
          }
        }
      }

      return -1;
    },

    merge: function( first, second ) {
      var l = second.length,
          i = first.length,
          j = 0;

      if ( typeof l === "number" ) {
        for ( ; j < l; j++ ) {
          first[ i++ ] = second[ j ];
        }
      } else {
        while ( second[j] !== undefined ) {
          first[ i++ ] = second[ j++ ];
        }
      }

      first.length = i;

      return first;
    },

    grep: function( elems, callback, inv ) {
      var retVal,
          ret = [],
          i = 0,
          length = elems.length;
      inv = !!inv;

      // Go through the array, only saving the items
      // that pass the validator function
      for ( ; i < length; i++ ) {
        retVal = !!callback( elems[ i ], i );
        if ( inv !== retVal ) {
          ret.push( elems[ i ] );
        }
      }

      return ret;
    },

    // arg is for internal usage only
    map: function( elems, callback, arg ) {
      var value,
          i = 0,
          length = elems.length,
          isArray = isArraylike( elems ),
          ret = [];

      // Go through the array, translating each of the items to their
      if ( isArray ) {
        for ( ; i < length; i++ ) {
          value = callback( elems[ i ], i, arg );

          if ( value != null ) {
            ret[ ret.length ] = value;
          }
        }

        // Go through every key on the object,
      } else {
        for ( i in elems ) {
          value = callback( elems[ i ], i, arg );

          if ( value != null ) {
            ret[ ret.length ] = value;
          }
        }
      }

      // Flatten any nested arrays
      return core_concat.apply( [], ret );
    },

    // A global GUID counter for objects
    guid: 1,

    // Bind a function to a context, optionally partially applying any
    // arguments.
    proxy: function( fn, context ) {
      var args, proxy, tmp;

      if ( typeof context === "string" ) {
        tmp = fn[ context ];
        context = fn;
        fn = tmp;
      }

      // Quick check to determine if target is callable, in the spec
      // this throws a TypeError, but we will just return undefined.
      if ( !jQuery.isFunction( fn ) ) {
        return undefined;
      }

      // Simulated bind
      args = core_slice.call( arguments, 2 );
      proxy = function() {
        return fn.apply( context || this, args.concat( core_slice.call( arguments ) ) );
      };

      // Set the guid of unique handler to the same of original handler, so it can be removed
      proxy.guid = fn.guid = fn.guid || jQuery.guid++;

      return proxy;
    },

    // Multifunctional method to get and set values of a collection
    // The value/s can optionally be executed if it's a function
    access: function( elems, fn, key, value, chainable, emptyGet, raw ) {
      var i = 0,
          length = elems.length,
          bulk = key == null;

      // Sets many values
      if ( jQuery.type( key ) === "object" ) {
        chainable = true;
        for ( i in key ) {
          jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
        }

        // Sets one value
      } else if ( value !== undefined ) {
        chainable = true;

        if ( !jQuery.isFunction( value ) ) {
          raw = true;
        }

        if ( bulk ) {
          // Bulk operations run against the entire set
          if ( raw ) {
            fn.call( elems, value );
            fn = null;

            // ...except when executing function values
          } else {
            bulk = fn;
            fn = function( elem, key, value ) {
              return bulk.call( jQuery( elem ), value );
            };
          }
        }

        if ( fn ) {
          for ( ; i < length; i++ ) {
            fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
          }
        }
      }

      return chainable ?
          elems :

          // Gets
          bulk ?
              fn.call( elems ) :
              length ? fn( elems[0], key ) : emptyGet;
    },

    now: function() {
      return ( new Date() ).getTime();
    }
  });

  jQuery.ready.promise = function( obj ) {
    if ( !readyList ) {

      readyList = jQuery.Deferred();

      // Catch cases where $(document).ready() is called after the browser event has already occurred.
      // we once tried to use readyState "interactive" here, but it caused issues like the one
      // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
      if ( document.readyState === "complete" ) {
        // Handle it asynchronously to allow scripts the opportunity to delay ready
        setTimeout( jQuery.ready );

        // Standards-based browsers support DOMContentLoaded
      } else if ( document.addEventListener ) {
        // Use the handy event callback
        document.addEventListener( "DOMContentLoaded", completed, false );

        // A fallback to window.onload, that will always work
        window.addEventListener( "load", completed, false );

        // If IE event model is used
      } else {
        // Ensure firing before onload, maybe late but safe also for iframes
        document.attachEvent( "onreadystatechange", completed );

        // A fallback to window.onload, that will always work
        window.attachEvent( "onload", completed );

        // If IE and not a frame
        // continually check to see if the document is ready
        var top = false;

        try {
          top = window.frameElement == null && document.documentElement;
        } catch(e) {}

        if ( top && top.doScroll ) {
          (function doScrollCheck() {
            if ( !jQuery.isReady ) {

              try {
                // Use the trick by Diego Perini
                // http://javascript.nwbox.com/IEContentLoaded/
                top.doScroll("left");
              } catch(e) {
                return setTimeout( doScrollCheck, 50 );
              }

              // detach all dom ready events
              detach();

              // and execute any waiting functions
              jQuery.ready();
            }
          })();
        }
      }
    }
    return readyList.promise( obj );
  };

// Populate the class2type map
  jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
    class2type[ "[object " + name + "]" ] = name.toLowerCase();
  });

  function isArraylike( obj ) {
    var length = obj.length,
        type = jQuery.type( obj );

    if ( jQuery.isWindow( obj ) ) {
      return false;
    }

    if ( obj.nodeType === 1 && length ) {
      return true;
    }

    return type === "array" || type !== "function" &&
        ( length === 0 ||
            typeof length === "number" && length > 0 && ( length - 1 ) in obj );
  }

// All jQuery objects should point back to these
  rootjQuery = jQuery(document);
// String to Object options format cache
  var optionsCache = {};

// Convert String-formatted options into Object-formatted ones and store in cache
  function createOptions( options ) {
    var object = optionsCache[ options ] = {};
    jQuery.each( options.match( core_rnotwhite ) || [], function( _, flag ) {
      object[ flag ] = true;
    });
    return object;
  }

  /*
 * Create a callback list using the following parameters:
 *
 *	options: an optional list of space-separated options that will change how
 *			the callback list behaves or a more traditional option object
 *
 * By default a callback list will act like an event callback list and can be
 * "fired" multiple times.
 *
 * Possible options:
 *
 *	once:			will ensure the callback list can only be fired once (like a Deferred)
 *
 *	memory:			will keep track of previous values and will call any callback added
 *					after the list has been fired right away with the latest "memorized"
 *					values (like a Deferred)
 *
 *	unique:			will ensure a callback can only be added once (no duplicate in the list)
 *
 *	stopOnFalse:	interrupt callings when a callback returns false
 *
 */
  jQuery.Callbacks = function( options ) {

    // Convert options from String-formatted to Object-formatted if needed
    // (we check in cache first)
    options = typeof options === "string" ?
        ( optionsCache[ options ] || createOptions( options ) ) :
        jQuery.extend( {}, options );

    var // Flag to know if list is currently firing
        firing,
        // Last fire value (for non-forgettable lists)
        memory,
        // Flag to know if list was already fired
        fired,
        // End of the loop when firing
        firingLength,
        // Index of currently firing callback (modified by remove if needed)
        firingIndex,
        // First callback to fire (used internally by add and fireWith)
        firingStart,
        // Actual callback list
        list = [],
        // Stack of fire calls for repeatable lists
        stack = !options.once && [],
        // Fire callbacks
        fire = function( data ) {
          memory = options.memory && data;
          fired = true;
          firingIndex = firingStart || 0;
          firingStart = 0;
          firingLength = list.length;
          firing = true;
          for ( ; list && firingIndex < firingLength; firingIndex++ ) {
            if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
              memory = false; // To prevent further calls using add
              break;
            }
          }
          firing = false;
          if ( list ) {
            if ( stack ) {
              if ( stack.length ) {
                fire( stack.shift() );
              }
            } else if ( memory ) {
              list = [];
            } else {
              self.disable();
            }
          }
        },
        // Actual Callbacks object
        self = {
          // Add a callback or a collection of callbacks to the list
          add: function() {
            if ( list ) {
              // First, we save the current length
              var start = list.length;
              (function add( args ) {
                jQuery.each( args, function( _, arg ) {
                  var type = jQuery.type( arg );
                  if ( type === "function" ) {
                    if ( !options.unique || !self.has( arg ) ) {
                      list.push( arg );
                    }
                  } else if ( arg && arg.length && type !== "string" ) {
                    // Inspect recursively
                    add( arg );
                  }
                });
              })( arguments );
              // Do we need to add the callbacks to the
              // current firing batch?
              if ( firing ) {
                firingLength = list.length;
                // With memory, if we're not firing then
                // we should call right away
              } else if ( memory ) {
                firingStart = start;
                fire( memory );
              }
            }
            return this;
          },
          // Remove a callback from the list
          remove: function() {
            if ( list ) {
              jQuery.each( arguments, function( _, arg ) {
                var index;
                while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
                  list.splice( index, 1 );
                  // Handle firing indexes
                  if ( firing ) {
                    if ( index <= firingLength ) {
                      firingLength--;
                    }
                    if ( index <= firingIndex ) {
                      firingIndex--;
                    }
                  }
                }
              });
            }
            return this;
          },
          // Check if a given callback is in the list.
          // If no argument is given, return whether or not list has callbacks attached.
          has: function( fn ) {
            return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
          },
          // Remove all callbacks from the list
          empty: function() {
            list = [];
            return this;
          },
          // Have the list do nothing anymore
          disable: function() {
            list = stack = memory = undefined;
            return this;
          },
          // Is it disabled?
          disabled: function() {
            return !list;
          },
          // Lock the list in its current state
          lock: function() {
            stack = undefined;
            if ( !memory ) {
              self.disable();
            }
            return this;
          },
          // Is it locked?
          locked: function() {
            return !stack;
          },
          // Call all callbacks with the given context and arguments
          fireWith: function( context, args ) {
            args = args || [];
            args = [ context, args.slice ? args.slice() : args ];
            if ( list && ( !fired || stack ) ) {
              if ( firing ) {
                stack.push( args );
              } else {
                fire( args );
              }
            }
            return this;
          },
          // Call all the callbacks with the given arguments
          fire: function() {
            self.fireWith( this, arguments );
            return this;
          },
          // To know if the callbacks have already been called at least once
          fired: function() {
            return !!fired;
          }
        };

    return self;
  };
  jQuery.extend({

    Deferred: function( func ) {
      var tuples = [
            // action, add listener, listener list, final state
            [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
            [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
            [ "notify", "progress", jQuery.Callbacks("memory") ]
          ],
          state = "pending",
          promise = {
            state: function() {
              return state;
            },
            always: function() {
              deferred.done( arguments ).fail( arguments );
              return this;
            },
            then: function( /* fnDone, fnFail, fnProgress */ ) {
              var fns = arguments;
              return jQuery.Deferred(function( newDefer ) {
                jQuery.each( tuples, function( i, tuple ) {
                  var action = tuple[ 0 ],
                      fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
                  // deferred[ done | fail | progress ] for forwarding actions to newDefer
                  deferred[ tuple[1] ](function() {
                    var returned = fn && fn.apply( this, arguments );
                    if ( returned && jQuery.isFunction( returned.promise ) ) {
                      returned.promise()
                          .done( newDefer.resolve )
                          .fail( newDefer.reject )
                          .progress( newDefer.notify );
                    } else {
                      newDefer[ action + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
                    }
                  });
                });
                fns = null;
              }).promise();
            },
            // Get a promise for this deferred
            // If obj is provided, the promise aspect is added to the object
            promise: function( obj ) {
              return obj != null ? jQuery.extend( obj, promise ) : promise;
            }
          },
          deferred = {};

      // Keep pipe for back-compat
      promise.pipe = promise.then;

      // Add list-specific methods
      jQuery.each( tuples, function( i, tuple ) {
        var list = tuple[ 2 ],
            stateString = tuple[ 3 ];

        // promise[ done | fail | progress ] = list.add
        promise[ tuple[1] ] = list.add;

        // Handle state
        if ( stateString ) {
          list.add(function() {
            // state = [ resolved | rejected ]
            state = stateString;

            // [ reject_list | resolve_list ].disable; progress_list.lock
          }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
        }

        // deferred[ resolve | reject | notify ]
        deferred[ tuple[0] ] = function() {
          deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
          return this;
        };
        deferred[ tuple[0] + "With" ] = list.fireWith;
      });

      // Make the deferred a promise
      promise.promise( deferred );

      // Call given func if any
      if ( func ) {
        func.call( deferred, deferred );
      }

      // All done!
      return deferred;
    },

    // Deferred helper
    when: function( subordinate /* , ..., subordinateN */ ) {
      var i = 0,
          resolveValues = core_slice.call( arguments ),
          length = resolveValues.length,

          // the count of uncompleted subordinates
          remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,

          // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
          deferred = remaining === 1 ? subordinate : jQuery.Deferred(),

          // Update function for both resolve and progress values
          updateFunc = function( i, contexts, values ) {
            return function( value ) {
              contexts[ i ] = this;
              values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
              if( values === progressValues ) {
                deferred.notifyWith( contexts, values );
              } else if ( !( --remaining ) ) {
                deferred.resolveWith( contexts, values );
              }
            };
          },

          progressValues, progressContexts, resolveContexts;

      // add listeners to Deferred subordinates; treat others as resolved
      if ( length > 1 ) {
        progressValues = new Array( length );
        progressContexts = new Array( length );
        resolveContexts = new Array( length );
        for ( ; i < length; i++ ) {
          if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
            resolveValues[ i ].promise()
                .done( updateFunc( i, resolveContexts, resolveValues ) )
                .fail( deferred.reject )
                .progress( updateFunc( i, progressContexts, progressValues ) );
          } else {
            --remaining;
          }
        }
      }

      // if we're not waiting on anything, resolve the master
      if ( !remaining ) {
        deferred.resolveWith( resolveContexts, resolveValues );
      }

      return deferred.promise();
    }
  });
  jQuery.support = (function() {

    var support, all, a,
        input, select, fragment,
        opt, eventName, isSupported, i,
        div = document.createElement("div");

    // Setup
    div.setAttribute( "className", "t" );
    div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";

    // Support tests won't run in some limited or non-browser environments
    all = div.getElementsByTagName("*");
    a = div.getElementsByTagName("a")[ 0 ];
    if ( !all || !a || !all.length ) {
      return {};
    }

    // First batch of tests
    select = document.createElement("select");
    opt = select.appendChild( document.createElement("option") );
    input = div.getElementsByTagName("input")[ 0 ];

    a.style.cssText = "top:1px;float:left;opacity:.5";
    support = {
      // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
      getSetAttribute: div.className !== "t",

      // IE strips leading whitespace when .innerHTML is used
      leadingWhitespace: div.firstChild.nodeType === 3,

      // Make sure that tbody elements aren't automatically inserted
      // IE will insert them into empty tables
      tbody: !div.getElementsByTagName("tbody").length,

      // Make sure that link elements get serialized correctly by innerHTML
      // This requires a wrapper element in IE
      htmlSerialize: !!div.getElementsByTagName("link").length,

      // Get the style information from getAttribute
      // (IE uses .cssText instead)
      style: /top/.test( a.getAttribute("style") ),

      // Make sure that URLs aren't manipulated
      // (IE normalizes it by default)
      hrefNormalized: a.getAttribute("href") === "/a",

      // Make sure that element opacity exists
      // (IE uses filter instead)
      // Use a regex to work around a WebKit issue. See #5145
      opacity: /^0.5/.test( a.style.opacity ),

      // Verify style float existence
      // (IE uses styleFloat instead of cssFloat)
      cssFloat: !!a.style.cssFloat,

      // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
      checkOn: !!input.value,

      // Make sure that a selected-by-default option has a working selected property.
      // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
      optSelected: opt.selected,

      // Tests for enctype support on a form (#6743)
      enctype: !!document.createElement("form").enctype,

      // Makes sure cloning an html5 element does not cause problems
      // Where outerHTML is undefined, this still works
      html5Clone: document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>",

      // jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
      boxModel: document.compatMode === "CSS1Compat",

      // Will be defined later
      deleteExpando: true,
      noCloneEvent: true,
      inlineBlockNeedsLayout: false,
      shrinkWrapBlocks: false,
      reliableMarginRight: true,
      boxSizingReliable: true,
      pixelPosition: false
    };

    // Make sure checked status is properly cloned
    input.checked = true;
    support.noCloneChecked = input.cloneNode( true ).checked;

    // Make sure that the options inside disabled selects aren't marked as disabled
    // (WebKit marks them as disabled)
    select.disabled = true;
    support.optDisabled = !opt.disabled;

    // Support: IE<9
    try {
      delete div.test;
    } catch( e ) {
      support.deleteExpando = false;
    }

    // Check if we can trust getAttribute("value")
    input = document.createElement("input");
    input.setAttribute( "value", "" );
    support.input = input.getAttribute( "value" ) === "";

    // Check if an input maintains its value after becoming a radio
    input.value = "t";
    input.setAttribute( "type", "radio" );
    support.radioValue = input.value === "t";

    // #11217 - WebKit loses check when the name is after the checked attribute
    input.setAttribute( "checked", "t" );
    input.setAttribute( "name", "t" );

    fragment = document.createDocumentFragment();
    fragment.appendChild( input );

    // Check if a disconnected checkbox will retain its checked
    // value of true after appended to the DOM (IE6/7)
    support.appendChecked = input.checked;

    // WebKit doesn't clone checked state correctly in fragments
    support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;

    // Support: IE<9
    // Opera does not clone events (and typeof div.attachEvent === undefined).
    // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
    if ( div.attachEvent ) {
      div.attachEvent( "onclick", function() {
        support.noCloneEvent = false;
      });

      div.cloneNode( true ).click();
    }

    // Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
    // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP), test/csp.php
    for ( i in { submit: true, change: true, focusin: true }) {
      div.setAttribute( eventName = "on" + i, "t" );

      support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false;
    }

    div.style.backgroundClip = "content-box";
    div.cloneNode( true ).style.backgroundClip = "";
    support.clearCloneStyle = div.style.backgroundClip === "content-box";

    // Run tests that need a body at doc ready
    jQuery(function() {
      var container, marginDiv, tds,
          divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",
          body = document.getElementsByTagName("body")[0];

      if ( !body ) {
        // Return for frameset docs that don't have a body
        return;
      }

      container = document.createElement("div");
      container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";

      body.appendChild( container ).appendChild( div );

      // Support: IE8
      // Check if table cells still have offsetWidth/Height when they are set
      // to display:none and there are still other visible table cells in a
      // table row; if so, offsetWidth/Height are not reliable for use when
      // determining if an element has been hidden directly using
      // display:none (it is still safe to use offsets if a parent element is
      // hidden; don safety goggles and see bug #4512 for more information).
      div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
      tds = div.getElementsByTagName("td");
      tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
      isSupported = ( tds[ 0 ].offsetHeight === 0 );

      tds[ 0 ].style.display = "";
      tds[ 1 ].style.display = "none";

      // Support: IE8
      // Check if empty table cells still have offsetWidth/Height
      support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );

      // Check box-sizing and margin behavior
      div.innerHTML = "";
      div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";
      support.boxSizing = ( div.offsetWidth === 4 );
      support.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== 1 );

      // Use window.getComputedStyle because jsdom on node.js will break without it.
      if ( window.getComputedStyle ) {
        support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
        support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";

        // Check if div with explicit width and no margin-right incorrectly
        // gets computed margin-right based on width of container. (#3333)
        // Fails in WebKit before Feb 2011 nightlies
        // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
        marginDiv = div.appendChild( document.createElement("div") );
        marginDiv.style.cssText = div.style.cssText = divReset;
        marginDiv.style.marginRight = marginDiv.style.width = "0";
        div.style.width = "1px";

        support.reliableMarginRight =
            !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
      }

      if ( typeof div.style.zoom !== core_strundefined ) {
        // Support: IE<8
        // Check if natively block-level elements act like inline-block
        // elements when setting their display to 'inline' and giving
        // them layout
        div.innerHTML = "";
        div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
        support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );

        // Support: IE6
        // Check if elements with layout shrink-wrap their children
        div.style.display = "block";
        div.innerHTML = "<div></div>";
        div.firstChild.style.width = "5px";
        support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );

        if ( support.inlineBlockNeedsLayout ) {
          // Prevent IE 6 from affecting layout for positioned elements #11048
          // Prevent IE from shrinking the body in IE 7 mode #12869
          // Support: IE<8
          body.style.zoom = 1;
        }
      }

      body.removeChild( container );

      // Null elements to avoid leaks in IE
      container = div = tds = marginDiv = null;
    });

    // Null elements to avoid leaks in IE
    all = select = fragment = opt = a = input = null;

    return support;
  })();

  var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
      rmultiDash = /([A-Z])/g;

  function internalData( elem, name, data, pvt /* Internal Use Only */ ){
    if ( !jQuery.acceptData( elem ) ) {
      return;
    }

    var thisCache, ret,
        internalKey = jQuery.expando,
        getByName = typeof name === "string",

        // We have to handle DOM nodes and JS objects differently because IE6-7
        // can't GC object references properly across the DOM-JS boundary
        isNode = elem.nodeType,

        // Only DOM nodes need the global jQuery cache; JS object data is
        // attached directly to the object so GC can occur automatically
        cache = isNode ? jQuery.cache : elem,

        // Only defining an ID for JS objects if its cache already exists allows
        // the code to shortcut on the same path as a DOM node with no cache
        id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;

    // Avoid doing any more work than we need to when trying to get data on an
    // object that has no data at all
    if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && getByName && data === undefined ) {
      return;
    }

    if ( !id ) {
      // Only DOM nodes need a new unique ID for each element since their data
      // ends up in the global cache
      if ( isNode ) {
        elem[ internalKey ] = id = core_deletedIds.pop() || jQuery.guid++;
      } else {
        id = internalKey;
      }
    }

    if ( !cache[ id ] ) {
      cache[ id ] = {};

      // Avoids exposing jQuery metadata on plain JS objects when the object
      // is serialized using JSON.stringify
      if ( !isNode ) {
        cache[ id ].toJSON = jQuery.noop;
      }
    }

    // An object can be passed to jQuery.data instead of a key/value pair; this gets
    // shallow copied over onto the existing cache
    if ( typeof name === "object" || typeof name === "function" ) {
      if ( pvt ) {
        cache[ id ] = jQuery.extend( cache[ id ], name );
      } else {
        cache[ id ].data = jQuery.extend( cache[ id ].data, name );
      }
    }

    thisCache = cache[ id ];

    // jQuery data() is stored in a separate object inside the object's internal data
    // cache in order to avoid key collisions between internal data and user-defined
    // data.
    if ( !pvt ) {
      if ( !thisCache.data ) {
        thisCache.data = {};
      }

      thisCache = thisCache.data;
    }

    if ( data !== undefined ) {
      thisCache[ jQuery.camelCase( name ) ] = data;
    }

    // Check for both converted-to-camel and non-converted data property names
    // If a data property was specified
    if ( getByName ) {

      // First Try to find as-is property data
      ret = thisCache[ name ];

      // Test for null|undefined property data
      if ( ret == null ) {

        // Try to find the camelCased property
        ret = thisCache[ jQuery.camelCase( name ) ];
      }
    } else {
      ret = thisCache;
    }

    return ret;
  }

  function internalRemoveData( elem, name, pvt ) {
    if ( !jQuery.acceptData( elem ) ) {
      return;
    }

    var i, l, thisCache,
        isNode = elem.nodeType,

        // See jQuery.data for more information
        cache = isNode ? jQuery.cache : elem,
        id = isNode ? elem[ jQuery.expando ] : jQuery.expando;

    // If there is already no cache entry for this object, there is no
    // purpose in continuing
    if ( !cache[ id ] ) {
      return;
    }

    if ( name ) {

      thisCache = pvt ? cache[ id ] : cache[ id ].data;

      if ( thisCache ) {

        // Support array or space separated string names for data keys
        if ( !jQuery.isArray( name ) ) {

          // try the string as a key before any manipulation
          if ( name in thisCache ) {
            name = [ name ];
          } else {

            // split the camel cased version by spaces unless a key with the spaces exists
            name = jQuery.camelCase( name );
            if ( name in thisCache ) {
              name = [ name ];
            } else {
              name = name.split(" ");
            }
          }
        } else {
          // If "name" is an array of keys...
          // When data is initially created, via ("key", "val") signature,
          // keys will be converted to camelCase.
          // Since there is no way to tell _how_ a key was added, remove
          // both plain key and camelCase key. #12786
          // This will only penalize the array argument path.
          name = name.concat( jQuery.map( name, jQuery.camelCase ) );
        }

        for ( i = 0, l = name.length; i < l; i++ ) {
          delete thisCache[ name[i] ];
        }

        // If there is no data left in the cache, we want to continue
        // and let the cache object itself get destroyed
        if ( !( pvt ? isEmptyDataObject : jQuery.isEmptyObject )( thisCache ) ) {
          return;
        }
      }
    }

    // See jQuery.data for more information
    if ( !pvt ) {
      delete cache[ id ].data;

      // Don't destroy the parent cache unless the internal data object
      // had been the only thing left in it
      if ( !isEmptyDataObject( cache[ id ] ) ) {
        return;
      }
    }

    // Destroy the cache
    if ( isNode ) {
      jQuery.cleanData( [ elem ], true );

      // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
    } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
      delete cache[ id ];

      // When all else fails, null
    } else {
      cache[ id ] = null;
    }
  }

  jQuery.extend({
    cache: {},

    // Unique for each copy of jQuery on the page
    // Non-digits removed to match rinlinejQuery
    expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ),

    // The following elements throw uncatchable exceptions if you
    // attempt to add expando properties to them.
    noData: {
      "embed": true,
      // Ban all objects except for Flash (which handle expandos)
      "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
      "applet": true
    },

    hasData: function( elem ) {
      elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
      return !!elem && !isEmptyDataObject( elem );
    },

    data: function( elem, name, data ) {
      return internalData( elem, name, data );
    },

    removeData: function( elem, name ) {
      return internalRemoveData( elem, name );
    },

    // For internal use only.
    _data: function( elem, name, data ) {
      return internalData( elem, name, data, true );
    },

    _removeData: function( elem, name ) {
      return internalRemoveData( elem, name, true );
    },

    // A method for determining if a DOM node can handle the data expando
    acceptData: function( elem ) {
      // Do not set data on non-element because it will not be cleared (#8335).
      if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) {
        return false;
      }

      var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];

      // nodes accept data unless otherwise specified; rejection can be conditional
      return !noData || noData !== true && elem.getAttribute("classid") === noData;
    }
  });

  jQuery.fn.extend({
    data: function( key, value ) {
      var attrs, name,
          elem = this[0],
          i = 0,
          data = null;

      // Gets all values
      if ( key === undefined ) {
        if ( this.length ) {
          data = jQuery.data( elem );

          if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
            attrs = elem.attributes;
            for ( ; i < attrs.length; i++ ) {
              name = attrs[i].name;

              if ( !name.indexOf( "data-" ) ) {
                name = jQuery.camelCase( name.slice(5) );

                dataAttr( elem, name, data[ name ] );
              }
            }
            jQuery._data( elem, "parsedAttrs", true );
          }
        }

        return data;
      }

      // Sets multiple values
      if ( typeof key === "object" ) {
        return this.each(function() {
          jQuery.data( this, key );
        });
      }

      return jQuery.access( this, function( value ) {

        if ( value === undefined ) {
          // Try to fetch any internally stored data first
          return elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null;
        }

        this.each(function() {
          jQuery.data( this, key, value );
        });
      }, null, value, arguments.length > 1, null, true );
    },

    removeData: function( key ) {
      return this.each(function() {
        jQuery.removeData( this, key );
      });
    }
  });

  function dataAttr( elem, key, data ) {
    // If nothing was found internally, try to fetch any
    // data from the HTML5 data-* attribute
    if ( data === undefined && elem.nodeType === 1 ) {

      var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();

      data = elem.getAttribute( name );

      if ( typeof data === "string" ) {
        try {
          data = data === "true" ? true :
              data === "false" ? false :
                  data === "null" ? null :
                      // Only convert to a number if it doesn't change the string
                      +data + "" === data ? +data :
                          rbrace.test( data ) ? jQuery.parseJSON( data ) :
                              data;
        } catch( e ) {}

        // Make sure we set the data so it isn't changed later
        jQuery.data( elem, key, data );

      } else {
        data = undefined;
      }
    }

    return data;
  }

// checks a cache object for emptiness
  function isEmptyDataObject( obj ) {
    var name;
    for ( name in obj ) {

      // if the public data object is empty, the private is still empty
      if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
        continue;
      }
      if ( name !== "toJSON" ) {
        return false;
      }
    }

    return true;
  }
  jQuery.extend({
    queue: function( elem, type, data ) {
      var queue;

      if ( elem ) {
        type = ( type || "fx" ) + "queue";
        queue = jQuery._data( elem, type );

        // Speed up dequeue by getting out quickly if this is just a lookup
        if ( data ) {
          if ( !queue || jQuery.isArray(data) ) {
            queue = jQuery._data( elem, type, jQuery.makeArray(data) );
          } else {
            queue.push( data );
          }
        }
        return queue || [];
      }
    },

    dequeue: function( elem, type ) {
      type = type || "fx";

      var queue = jQuery.queue( elem, type ),
          startLength = queue.length,
          fn = queue.shift(),
          hooks = jQuery._queueHooks( elem, type ),
          next = function() {
            jQuery.dequeue( elem, type );
          };

      // If the fx queue is dequeued, always remove the progress sentinel
      if ( fn === "inprogress" ) {
        fn = queue.shift();
        startLength--;
      }

      hooks.cur = fn;
      if ( fn ) {

        // Add a progress sentinel to prevent the fx queue from being
        // automatically dequeued
        if ( type === "fx" ) {
          queue.unshift( "inprogress" );
        }

        // clear up the last queue stop function
        delete hooks.stop;
        fn.call( elem, next, hooks );
      }

      if ( !startLength && hooks ) {
        hooks.empty.fire();
      }
    },

    // not intended for public consumption - generates a queueHooks object, or returns the current one
    _queueHooks: function( elem, type ) {
      var key = type + "queueHooks";
      return jQuery._data( elem, key ) || jQuery._data( elem, key, {
        empty: jQuery.Callbacks("once memory").add(function() {
          jQuery._removeData( elem, type + "queue" );
          jQuery._removeData( elem, key );
        })
      });
    }
  });

  jQuery.fn.extend({
    queue: function( type, data ) {
      var setter = 2;

      if ( typeof type !== "string" ) {
        data = type;
        type = "fx";
        setter--;
      }

      if ( arguments.length < setter ) {
        return jQuery.queue( this[0], type );
      }

      return data === undefined ?
          this :
          this.each(function() {
            var queue = jQuery.queue( this, type, data );

            // ensure a hooks for this queue
            jQuery._queueHooks( this, type );

            if ( type === "fx" && queue[0] !== "inprogress" ) {
              jQuery.dequeue( this, type );
            }
          });
    },
    dequeue: function( type ) {
      return this.each(function() {
        jQuery.dequeue( this, type );
      });
    },
    // Based off of the plugin by Clint Helfers, with permission.
    // http://blindsignals.com/index.php/2009/07/jquery-delay/
    delay: function( time, type ) {
      time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
      type = type || "fx";

      return this.queue( type, function( next, hooks ) {
        var timeout = setTimeout( next, time );
        hooks.stop = function() {
          clearTimeout( timeout );
        };
      });
    },
    clearQueue: function( type ) {
      return this.queue( type || "fx", [] );
    },
    // Get a promise resolved when queues of a certain type
    // are emptied (fx is the type by default)
    promise: function( type, obj ) {
      var tmp,
          count = 1,
          defer = jQuery.Deferred(),
          elements = this,
          i = this.length,
          resolve = function() {
            if ( !( --count ) ) {
              defer.resolveWith( elements, [ elements ] );
            }
          };

      if ( typeof type !== "string" ) {
        obj = type;
        type = undefined;
      }
      type = type || "fx";

      while( i-- ) {
        tmp = jQuery._data( elements[ i ], type + "queueHooks" );
        if ( tmp && tmp.empty ) {
          count++;
          tmp.empty.add( resolve );
        }
      }
      resolve();
      return defer.promise( obj );
    }
  });
  var nodeHook, boolHook,
      rclass = /[\t\r\n]/g,
      rreturn = /\r/g,
      rfocusable = /^(?:input|select|textarea|button|object)$/i,
      rclickable = /^(?:a|area)$/i,
      rboolean = /^(?:checked|selected|autofocus|autoplay|async|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped)$/i,
      ruseDefault = /^(?:checked|selected)$/i,
      getSetAttribute = jQuery.support.getSetAttribute,
      getSetInput = jQuery.support.input;

  jQuery.fn.extend({
    attr: function( name, value ) {
      return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 );
    },

    removeAttr: function( name ) {
      return this.each(function() {
        jQuery.removeAttr( this, name );
      });
    },

    prop: function( name, value ) {
      return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 );
    },

    removeProp: function( name ) {
      name = jQuery.propFix[ name ] || name;
      return this.each(function() {
        // try/catch handles cases where IE balks (such as removing a property on window)
        try {
          this[ name ] = undefined;
          delete this[ name ];
        } catch( e ) {}
      });
    },

    addClass: function( value ) {
      var classes, elem, cur, clazz, j,
          i = 0,
          len = this.length,
          proceed = typeof value === "string" && value;

      if ( jQuery.isFunction( value ) ) {
        return this.each(function( j ) {
          jQuery( this ).addClass( value.call( this, j, this.className ) );
        });
      }

      if ( proceed ) {
        // The disjunction here is for better compressibility (see removeClass)
        classes = ( value || "" ).match( core_rnotwhite ) || [];

        for ( ; i < len; i++ ) {
          elem = this[ i ];
          cur = elem.nodeType === 1 && ( elem.className ?
                  ( " " + elem.className + " " ).replace( rclass, " " ) :
                  " "
          );

          if ( cur ) {
            j = 0;
            while ( (clazz = classes[j++]) ) {
              if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
                cur += clazz + " ";
              }
            }
            elem.className = jQuery.trim( cur );

          }
        }
      }

      return this;
    },

    removeClass: function( value ) {
      var classes, elem, cur, clazz, j,
          i = 0,
          len = this.length,
          proceed = arguments.length === 0 || typeof value === "string" && value;

      if ( jQuery.isFunction( value ) ) {
        return this.each(function( j ) {
          jQuery( this ).removeClass( value.call( this, j, this.className ) );
        });
      }
      if ( proceed ) {
        classes = ( value || "" ).match( core_rnotwhite ) || [];

        for ( ; i < len; i++ ) {
          elem = this[ i ];
          // This expression is here for better compressibility (see addClass)
          cur = elem.nodeType === 1 && ( elem.className ?
                  ( " " + elem.className + " " ).replace( rclass, " " ) :
                  ""
          );

          if ( cur ) {
            j = 0;
            while ( (clazz = classes[j++]) ) {
              // Remove *all* instances
              while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
                cur = cur.replace( " " + clazz + " ", " " );
              }
            }
            elem.className = value ? jQuery.trim( cur ) : "";
          }
        }
      }

      return this;
    },

    toggleClass: function( value, stateVal ) {
      var type = typeof value,
          isBool = typeof stateVal === "boolean";

      if ( jQuery.isFunction( value ) ) {
        return this.each(function( i ) {
          jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
        });
      }

      return this.each(function() {
        if ( type === "string" ) {
          // toggle individual class names
          var className,
              i = 0,
              self = jQuery( this ),
              state = stateVal,
              classNames = value.match( core_rnotwhite ) || [];

          while ( (className = classNames[ i++ ]) ) {
            // check each className given, space separated list
            state = isBool ? state : !self.hasClass( className );
            self[ state ? "addClass" : "removeClass" ]( className );
          }

          // Toggle whole class name
        } else if ( type === core_strundefined || type === "boolean" ) {
          if ( this.className ) {
            // store className if set
            jQuery._data( this, "__className__", this.className );
          }

          // If the element has a class name or if we're passed "false",
          // then remove the whole classname (if there was one, the above saved it).
          // Otherwise bring back whatever was previously saved (if anything),
          // falling back to the empty string if nothing was stored.
          this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
        }
      });
    },

    hasClass: function( selector ) {
      var className = " " + selector + " ",
          i = 0,
          l = this.length;
      for ( ; i < l; i++ ) {
        if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
          return true;
        }
      }

      return false;
    },

    val: function( value ) {
      var ret, hooks, isFunction,
          elem = this[0];

      if ( !arguments.length ) {
        if ( elem ) {
          hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];

          if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
            return ret;
          }

          ret = elem.value;

          return typeof ret === "string" ?
              // handle most common string cases
              ret.replace(rreturn, "") :
              // handle cases where value is null/undef or number
              ret == null ? "" : ret;
        }

        return;
      }

      isFunction = jQuery.isFunction( value );

      return this.each(function( i ) {
        var val,
            self = jQuery(this);

        if ( this.nodeType !== 1 ) {
          return;
        }

        if ( isFunction ) {
          val = value.call( this, i, self.val() );
        } else {
          val = value;
        }

        // Treat null/undefined as ""; convert numbers to string
        if ( val == null ) {
          val = "";
        } else if ( typeof val === "number" ) {
          val += "";
        } else if ( jQuery.isArray( val ) ) {
          val = jQuery.map(val, function ( value ) {
            return value == null ? "" : value + "";
          });
        }

        hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];

        // If set returns undefined, fall back to normal setting
        if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
          this.value = val;
        }
      });
    }
  });

  jQuery.extend({
    valHooks: {
      option: {
        get: function( elem ) {
          // attributes.value is undefined in Blackberry 4.7 but
          // uses .value. See #6932
          var val = elem.attributes.value;
          return !val || val.specified ? elem.value : elem.text;
        }
      },
      select: {
        get: function( elem ) {
          var value, option,
              options = elem.options,
              index = elem.selectedIndex,
              one = elem.type === "select-one" || index < 0,
              values = one ? null : [],
              max = one ? index + 1 : options.length,
              i = index < 0 ?
                  max :
                  one ? index : 0;

          // Loop through all the selected options
          for ( ; i < max; i++ ) {
            option = options[ i ];

            // oldIE doesn't update selected after form reset (#2551)
            if ( ( option.selected || i === index ) &&
                // Don't return options that are disabled or in a disabled optgroup
                ( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
                ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {

              // Get the specific value for the option
              value = jQuery( option ).val();

              // We don't need an array for one selects
              if ( one ) {
                return value;
              }

              // Multi-Selects return an array
              values.push( value );
            }
          }

          return values;
        },

        set: function( elem, value ) {
          var values = jQuery.makeArray( value );

          jQuery(elem).find("option").each(function() {
            this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0;
          });

          if ( !values.length ) {
            elem.selectedIndex = -1;
          }
          return values;
        }
      }
    },

    attr: function( elem, name, value ) {
      var hooks, notxml, ret,
          nType = elem.nodeType;

      // don't get/set attributes on text, comment and attribute nodes
      if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
        return;
      }

      // Fallback to prop when attributes are not supported
      if ( typeof elem.getAttribute === core_strundefined ) {
        return jQuery.prop( elem, name, value );
      }

      notxml = nType !== 1 || !jQuery.isXMLDoc( elem );

      // All attributes are lowercase
      // Grab necessary hook if one is defined
      if ( notxml ) {
        name = name.toLowerCase();
        hooks = jQuery.attrHooks[ name ] || ( rboolean.test( name ) ? boolHook : nodeHook );
      }

      if ( value !== undefined ) {

        if ( value === null ) {
          jQuery.removeAttr( elem, name );

        } else if ( hooks && notxml && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
          return ret;

        } else {
          elem.setAttribute( name, value + "" );
          return value;
        }

      } else if ( hooks && notxml && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
        return ret;

      } else {

        // In IE9+, Flash objects don't have .getAttribute (#12945)
        // Support: IE9+
        if ( typeof elem.getAttribute !== core_strundefined ) {
          ret =  elem.getAttribute( name );
        }

        // Non-existent attributes return null, we normalize to undefined
        return ret == null ?
            undefined :
            ret;
      }
    },

    removeAttr: function( elem, value ) {
      var name, propName,
          i = 0,
          attrNames = value && value.match( core_rnotwhite );

      if ( attrNames && elem.nodeType === 1 ) {
        while ( (name = attrNames[i++]) ) {
          propName = jQuery.propFix[ name ] || name;

          // Boolean attributes get special treatment (#10870)
          if ( rboolean.test( name ) ) {
            // Set corresponding property to false for boolean attributes
            // Also clear defaultChecked/defaultSelected (if appropriate) for IE<8
            if ( !getSetAttribute && ruseDefault.test( name ) ) {
              elem[ jQuery.camelCase( "default-" + name ) ] =
                  elem[ propName ] = false;
            } else {
              elem[ propName ] = false;
            }

            // See #9699 for explanation of this approach (setting first, then removal)
          } else {
            jQuery.attr( elem, name, "" );
          }

          elem.removeAttribute( getSetAttribute ? name : propName );
        }
      }
    },

    attrHooks: {
      type: {
        set: function( elem, value ) {
          if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
            // Setting the type on a radio button after the value resets the value in IE6-9
            // Reset value to default in case type is set after value during creation
            var val = elem.value;
            elem.setAttribute( "type", value );
            if ( val ) {
              elem.value = val;
            }
            return value;
          }
        }
      }
    },

    propFix: {
      tabindex: "tabIndex",
      readonly: "readOnly",
      "for": "htmlFor",
      "class": "className",
      maxlength: "maxLength",
      cellspacing: "cellSpacing",
      cellpadding: "cellPadding",
      rowspan: "rowSpan",
      colspan: "colSpan",
      usemap: "useMap",
      frameborder: "frameBorder",
      contenteditable: "contentEditable"
    },

    prop: function( elem, name, value ) {
      var ret, hooks, notxml,
          nType = elem.nodeType;

      // don't get/set properties on text, comment and attribute nodes
      if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
        return;
      }

      notxml = nType !== 1 || !jQuery.isXMLDoc( elem );

      if ( notxml ) {
        // Fix name and attach hooks
        name = jQuery.propFix[ name ] || name;
        hooks = jQuery.propHooks[ name ];
      }

      if ( value !== undefined ) {
        if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
          return ret;

        } else {
          return ( elem[ name ] = value );
        }

      } else {
        if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
          return ret;

        } else {
          return elem[ name ];
        }
      }
    },

    propHooks: {
      tabIndex: {
        get: function( elem ) {
          // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
          // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
          var attributeNode = elem.getAttributeNode("tabindex");

          return attributeNode && attributeNode.specified ?
              parseInt( attributeNode.value, 10 ) :
              rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
                  0 :
                  undefined;
        }
      }
    }
  });

// Hook for boolean attributes
  boolHook = {
    get: function( elem, name ) {
      var
          // Use .prop to determine if this attribute is understood as boolean
          prop = jQuery.prop( elem, name ),

          // Fetch it accordingly
          attr = typeof prop === "boolean" && elem.getAttribute( name ),
          detail = typeof prop === "boolean" ?

              getSetInput && getSetAttribute ?
                  attr != null :
                  // oldIE fabricates an empty string for missing boolean attributes
                  // and conflates checked/selected into attroperties
                  ruseDefault.test( name ) ?
                      elem[ jQuery.camelCase( "default-" + name ) ] :
                      !!attr :

              // fetch an attribute node for properties not recognized as boolean
              elem.getAttributeNode( name );

      return detail && detail.value !== false ?
          name.toLowerCase() :
          undefined;
    },
    set: function( elem, value, name ) {
      if ( value === false ) {
        // Remove boolean attributes when set to false
        jQuery.removeAttr( elem, name );
      } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
        // IE<8 needs the *property* name
        elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );

        // Use defaultChecked and defaultSelected for oldIE
      } else {
        elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
      }

      return name;
    }
  };

// fix oldIE value attroperty
  if ( !getSetInput || !getSetAttribute ) {
    jQuery.attrHooks.value = {
      get: function( elem, name ) {
        var ret = elem.getAttributeNode( name );
        return jQuery.nodeName( elem, "input" ) ?

            // Ignore the value *property* by using defaultValue
            elem.defaultValue :

            ret && ret.specified ? ret.value : undefined;
      },
      set: function( elem, value, name ) {
        if ( jQuery.nodeName( elem, "input" ) ) {
          // Does not return so that setAttribute is also used
          elem.defaultValue = value;
        } else {
          // Use nodeHook if defined (#1954); otherwise setAttribute is fine
          return nodeHook && nodeHook.set( elem, value, name );
        }
      }
    };
  }

// IE6/7 do not support getting/setting some attributes with get/setAttribute
  if ( !getSetAttribute ) {

    // Use this for any attribute in IE6/7
    // This fixes almost every IE6/7 issue
    nodeHook = jQuery.valHooks.button = {
      get: function( elem, name ) {
        var ret = elem.getAttributeNode( name );
        return ret && ( name === "id" || name === "name" || name === "coords" ? ret.value !== "" : ret.specified ) ?
            ret.value :
            undefined;
      },
      set: function( elem, value, name ) {
        // Set the existing or create a new attribute node
        var ret = elem.getAttributeNode( name );
        if ( !ret ) {
          elem.setAttributeNode(
              (ret = elem.ownerDocument.createAttribute( name ))
          );
        }

        ret.value = value += "";

        // Break association with cloned elements by also using setAttribute (#9646)
        return name === "value" || value === elem.getAttribute( name ) ?
            value :
            undefined;
      }
    };

    // Set contenteditable to false on removals(#10429)
    // Setting to empty string throws an error as an invalid value
    jQuery.attrHooks.contenteditable = {
      get: nodeHook.get,
      set: function( elem, value, name ) {
        nodeHook.set( elem, value === "" ? false : value, name );
      }
    };

    // Set width and height to auto instead of 0 on empty string( Bug #8150 )
    // This is for removals
    jQuery.each([ "width", "height" ], function( i, name ) {
      jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
        set: function( elem, value ) {
          if ( value === "" ) {
            elem.setAttribute( name, "auto" );
            return value;
          }
        }
      });
    });
  }


// Some attributes require a special call on IE
// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
  if ( !jQuery.support.hrefNormalized ) {
    jQuery.each([ "href", "src", "width", "height" ], function( i, name ) {
      jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
        get: function( elem ) {
          var ret = elem.getAttribute( name, 2 );
          return ret == null ? undefined : ret;
        }
      });
    });

    // href/src property should get the full normalized URL (#10299/#12915)
    jQuery.each([ "href", "src" ], function( i, name ) {
      jQuery.propHooks[ name ] = {
        get: function( elem ) {
          return elem.getAttribute( name, 4 );
        }
      };
    });
  }

  if ( !jQuery.support.style ) {
    jQuery.attrHooks.style = {
      get: function( elem ) {
        // Return undefined in the case of empty string
        // Note: IE uppercases css property names, but if we were to .toLowerCase()
        // .cssText, that would destroy case senstitivity in URL's, like in "background"
        return elem.style.cssText || undefined;
      },
      set: function( elem, value ) {
        return ( elem.style.cssText = value + "" );
      }
    };
  }

// Safari mis-reports the default selected property of an option
// Accessing the parent's selectedIndex property fixes it
  if ( !jQuery.support.optSelected ) {
    jQuery.propHooks.selected = jQuery.extend( jQuery.propHooks.selected, {
      get: function( elem ) {
        var parent = elem.parentNode;

        if ( parent ) {
          parent.selectedIndex;

          // Make sure that it also works with optgroups, see #5701
          if ( parent.parentNode ) {
            parent.parentNode.selectedIndex;
          }
        }
        return null;
      }
    });
  }

// IE6/7 call enctype encoding
  if ( !jQuery.support.enctype ) {
    jQuery.propFix.enctype = "encoding";
  }

// Radios and checkboxes getter/setter
  if ( !jQuery.support.checkOn ) {
    jQuery.each([ "radio", "checkbox" ], function() {
      jQuery.valHooks[ this ] = {
        get: function( elem ) {
          // Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
          return elem.getAttribute("value") === null ? "on" : elem.value;
        }
      };
    });
  }
  jQuery.each([ "radio", "checkbox" ], function() {
    jQuery.valHooks[ this ] = jQuery.extend( jQuery.valHooks[ this ], {
      set: function( elem, value ) {
        if ( jQuery.isArray( value ) ) {
          return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
        }
      }
    });
  });
  var rformElems = /^(?:input|select|textarea)$/i,
      rkeyEvent = /^key/,
      rmouseEvent = /^(?:mouse|contextmenu)|click/,
      rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
      rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;

  function returnTrue() {
    return true;
  }

  function returnFalse() {
    return false;
  }

  /*
 * Helper functions for managing events -- not part of the public interface.
 * Props to Dean Edwards' addEvent library for many of the ideas.
 */
  jQuery.event = {

    global: {},

    add: function( elem, types, handler, data, selector ) {
      var tmp, events, t, handleObjIn,
          special, eventHandle, handleObj,
          handlers, type, namespaces, origType,
          elemData = jQuery._data( elem );

      // Don't attach events to noData or text/comment nodes (but allow plain objects)
      if ( !elemData ) {
        return;
      }

      // Caller can pass in an object of custom data in lieu of the handler
      if ( handler.handler ) {
        handleObjIn = handler;
        handler = handleObjIn.handler;
        selector = handleObjIn.selector;
      }

      // Make sure that the handler has a unique ID, used to find/remove it later
      if ( !handler.guid ) {
        handler.guid = jQuery.guid++;
      }

      // Init the element's event structure and main handler, if this is the first
      if ( !(events = elemData.events) ) {
        events = elemData.events = {};
      }
      if ( !(eventHandle = elemData.handle) ) {
        eventHandle = elemData.handle = function( e ) {
          // Discard the second event of a jQuery.event.trigger() and
          // when an event is called after a page has unloaded
          return typeof jQuery !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ?
              jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
              undefined;
        };
        // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
        eventHandle.elem = elem;
      }

      // Handle multiple events separated by a space
      // jQuery(...).bind("mouseover mouseout", fn);
      types = ( types || "" ).match( core_rnotwhite ) || [""];
      t = types.length;
      while ( t-- ) {
        tmp = rtypenamespace.exec( types[t] ) || [];
        type = origType = tmp[1];
        namespaces = ( tmp[2] || "" ).split( "." ).sort();

        // If event changes its type, use the special event handlers for the changed type
        special = jQuery.event.special[ type ] || {};

        // If selector defined, determine special event api type, otherwise given type
        type = ( selector ? special.delegateType : special.bindType ) || type;

        // Update special based on newly reset type
        special = jQuery.event.special[ type ] || {};

        // handleObj is passed to all event handlers
        handleObj = jQuery.extend({
          type: type,
          origType: origType,
          data: data,
          handler: handler,
          guid: handler.guid,
          selector: selector,
          needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
          namespace: namespaces.join(".")
        }, handleObjIn );

        // Init the event handler queue if we're the first
        if ( !(handlers = events[ type ]) ) {
          handlers = events[ type ] = [];
          handlers.delegateCount = 0;

          // Only use addEventListener/attachEvent if the special events handler returns false
          if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
            // Bind the global event handler to the element
            if ( elem.addEventListener ) {
              elem.addEventListener( type, eventHandle, false );

            } else if ( elem.attachEvent ) {
              elem.attachEvent( "on" + type, eventHandle );
            }
          }
        }

        if ( special.add ) {
          special.add.call( elem, handleObj );

          if ( !handleObj.handler.guid ) {
            handleObj.handler.guid = handler.guid;
          }
        }

        // Add to the element's handler list, delegates in front
        if ( selector ) {
          handlers.splice( handlers.delegateCount++, 0, handleObj );
        } else {
          handlers.push( handleObj );
        }

        // Keep track of which events have ever been used, for event optimization
        jQuery.event.global[ type ] = true;
      }

      // Nullify elem to prevent memory leaks in IE
      elem = null;
    },

    // Detach an event or set of events from an element
    remove: function( elem, types, handler, selector, mappedTypes ) {
      var j, handleObj, tmp,
          origCount, t, events,
          special, handlers, type,
          namespaces, origType,
          elemData = jQuery.hasData( elem ) && jQuery._data( elem );

      if ( !elemData || !(events = elemData.events) ) {
        return;
      }

      // Once for each type.namespace in types; type may be omitted
      types = ( types || "" ).match( core_rnotwhite ) || [""];
      t = types.length;
      while ( t-- ) {
        tmp = rtypenamespace.exec( types[t] ) || [];
        type = origType = tmp[1];
        namespaces = ( tmp[2] || "" ).split( "." ).sort();

        // Unbind all events (on this namespace, if provided) for the element
        if ( !type ) {
          for ( type in events ) {
            jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
          }
          continue;
        }

        special = jQuery.event.special[ type ] || {};
        type = ( selector ? special.delegateType : special.bindType ) || type;
        handlers = events[ type ] || [];
        tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );

        // Remove matching events
        origCount = j = handlers.length;
        while ( j-- ) {
          handleObj = handlers[ j ];

          if ( ( mappedTypes || origType === handleObj.origType ) &&
              ( !handler || handler.guid === handleObj.guid ) &&
              ( !tmp || tmp.test( handleObj.namespace ) ) &&
              ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
            handlers.splice( j, 1 );

            if ( handleObj.selector ) {
              handlers.delegateCount--;
            }
            if ( special.remove ) {
              special.remove.call( elem, handleObj );
            }
          }
        }

        // Remove generic event handler if we removed something and no more handlers exist
        // (avoids potential for endless recursion during removal of special event handlers)
        if ( origCount && !handlers.length ) {
          if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
            jQuery.removeEvent( elem, type, elemData.handle );
          }

          delete events[ type ];
        }
      }

      // Remove the expando if it's no longer used
      if ( jQuery.isEmptyObject( events ) ) {
        delete elemData.handle;

        // removeData also checks for emptiness and clears the expando if empty
        // so use it instead of delete
        jQuery._removeData( elem, "events" );
      }
    },

    trigger: function( event, data, elem, onlyHandlers ) {
      var handle, ontype, cur,
          bubbleType, special, tmp, i,
          eventPath = [ elem || document ],
          type = core_hasOwn.call( event, "type" ) ? event.type : event,
          namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];

      cur = tmp = elem = elem || document;

      // Don't do events on text and comment nodes
      if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
        return;
      }

      // focus/blur morphs to focusin/out; ensure we're not firing them right now
      if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
        return;
      }

      if ( type.indexOf(".") >= 0 ) {
        // Namespaced trigger; create a regexp to match event type in handle()
        namespaces = type.split(".");
        type = namespaces.shift();
        namespaces.sort();
      }
      ontype = type.indexOf(":") < 0 && "on" + type;

      // Caller can pass in a jQuery.Event object, Object, or just an event type string
      event = event[ jQuery.expando ] ?
          event :
          new jQuery.Event( type, typeof event === "object" && event );

      event.isTrigger = true;
      event.namespace = namespaces.join(".");
      event.namespace_re = event.namespace ?
          new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
          null;

      // Clean up the event in case it is being reused
      event.result = undefined;
      if ( !event.target ) {
        event.target = elem;
      }

      // Clone any incoming data and prepend the event, creating the handler arg list
      data = data == null ?
          [ event ] :
          jQuery.makeArray( data, [ event ] );

      // Allow special events to draw outside the lines
      special = jQuery.event.special[ type ] || {};
      if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
        return;
      }

      // Determine event propagation path in advance, per W3C events spec (#9951)
      // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
      if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {

        bubbleType = special.delegateType || type;
        if ( !rfocusMorph.test( bubbleType + type ) ) {
          cur = cur.parentNode;
        }
        for ( ; cur; cur = cur.parentNode ) {
          eventPath.push( cur );
          tmp = cur;
        }

        // Only add window if we got to document (e.g., not plain obj or detached DOM)
        if ( tmp === (elem.ownerDocument || document) ) {
          eventPath.push( tmp.defaultView || tmp.parentWindow || window );
        }
      }

      // Fire handlers on the event path
      i = 0;
      while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {

        event.type = i > 1 ?
            bubbleType :
            special.bindType || type;

        // jQuery handler
        handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
        if ( handle ) {
          handle.apply( cur, data );
        }

        // Native handler
        handle = ontype && cur[ ontype ];
        if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
          event.preventDefault();
        }
      }
      event.type = type;

      // If nobody prevented the default action, do it now
      if ( !onlyHandlers && !event.isDefaultPrevented() ) {

        if ( (!special._default || special._default.apply( elem.ownerDocument, data ) === false) &&
            !(type === "click" && jQuery.nodeName( elem, "a" )) && jQuery.acceptData( elem ) ) {

          // Call a native DOM method on the target with the same name name as the event.
          // Can't use an .isFunction() check here because IE6/7 fails that test.
          // Don't do default actions on window, that's where global variables be (#6170)
          if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {

            // Don't re-trigger an onFOO event when we call its FOO() method
            tmp = elem[ ontype ];

            if ( tmp ) {
              elem[ ontype ] = null;
            }

            // Prevent re-triggering of the same event, since we already bubbled it above
            jQuery.event.triggered = type;
            try {
              elem[ type ]();
            } catch ( e ) {
              // IE<9 dies on focus/blur to hidden element (#1486,#12518)
              // only reproducible on winXP IE8 native, not IE9 in IE8 mode
            }
            jQuery.event.triggered = undefined;

            if ( tmp ) {
              elem[ ontype ] = tmp;
            }
          }
        }
      }

      return event.result;
    },

    dispatch: function( event ) {

      // Make a writable jQuery.Event from the native event object
      event = jQuery.event.fix( event );

      var i, ret, handleObj, matched, j,
          handlerQueue = [],
          args = core_slice.call( arguments ),
          handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
          special = jQuery.event.special[ event.type ] || {};

      // Use the fix-ed jQuery.Event rather than the (read-only) native event
      args[0] = event;
      event.delegateTarget = this;

      // Call the preDispatch hook for the mapped type, and let it bail if desired
      if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
        return;
      }

      // Determine handlers
      handlerQueue = jQuery.event.handlers.call( this, event, handlers );

      // Run delegates first; they may want to stop propagation beneath us
      i = 0;
      while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
        event.currentTarget = matched.elem;

        j = 0;
        while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {

          // Triggered event must either 1) have no namespace, or
          // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
          if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {

            event.handleObj = handleObj;
            event.data = handleObj.data;

            ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
                .apply( matched.elem, args );

            if ( ret !== undefined ) {
              if ( (event.result = ret) === false ) {
                event.preventDefault();
                event.stopPropagation();
              }
            }
          }
        }
      }

      // Call the postDispatch hook for the mapped type
      if ( special.postDispatch ) {
        special.postDispatch.call( this, event );
      }

      return event.result;
    },

    handlers: function( event, handlers ) {
      var sel, handleObj, matches, i,
          handlerQueue = [],
          delegateCount = handlers.delegateCount,
          cur = event.target;

      // Find delegate handlers
      // Black-hole SVG <use> instance trees (#13180)
      // Avoid non-left-click bubbling in Firefox (#3861)
      if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {

        for ( ; cur != this; cur = cur.parentNode || this ) {

          // Don't check non-elements (#13208)
          // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
          if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
            matches = [];
            for ( i = 0; i < delegateCount; i++ ) {
              handleObj = handlers[ i ];

              // Don't conflict with Object.prototype properties (#13203)
              sel = handleObj.selector + " ";

              if ( matches[ sel ] === undefined ) {
                matches[ sel ] = handleObj.needsContext ?
                    jQuery( sel, this ).index( cur ) >= 0 :
                    jQuery.find( sel, this, null, [ cur ] ).length;
              }
              if ( matches[ sel ] ) {
                matches.push( handleObj );
              }
            }
            if ( matches.length ) {
              handlerQueue.push({ elem: cur, handlers: matches });
            }
          }
        }
      }

      // Add the remaining (directly-bound) handlers
      if ( delegateCount < handlers.length ) {
        handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
      }

      return handlerQueue;
    },

    fix: function( event ) {
      if ( event[ jQuery.expando ] ) {
        return event;
      }

      // Create a writable copy of the event object and normalize some properties
      var i, prop, copy,
          type = event.type,
          originalEvent = event,
          fixHook = this.fixHooks[ type ];

      if ( !fixHook ) {
        this.fixHooks[ type ] = fixHook =
            rmouseEvent.test( type ) ? this.mouseHooks :
                rkeyEvent.test( type ) ? this.keyHooks :
                    {};
      }
      copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;

      event = new jQuery.Event( originalEvent );

      i = copy.length;
      while ( i-- ) {
        prop = copy[ i ];
        event[ prop ] = originalEvent[ prop ];
      }

      // Support: IE<9
      // Fix target property (#1925)
      if ( !event.target ) {
        event.target = originalEvent.srcElement || document;
      }

      // Support: Chrome 23+, Safari?
      // Target should not be a text node (#504, #13143)
      if ( event.target.nodeType === 3 ) {
        event.target = event.target.parentNode;
      }

      // Support: IE<9
      // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
      event.metaKey = !!event.metaKey;

      return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
    },

    // Includes some event props shared by KeyEvent and MouseEvent
    props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),

    fixHooks: {},

    keyHooks: {
      props: "char charCode key keyCode".split(" "),
      filter: function( event, original ) {

        // Add which for key events
        if ( event.which == null ) {
          event.which = original.charCode != null ? original.charCode : original.keyCode;
        }

        return event;
      }
    },

    mouseHooks: {
      props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
      filter: function( event, original ) {
        var body, eventDoc, doc,
            button = original.button,
            fromElement = original.fromElement;

        // Calculate pageX/Y if missing and clientX/Y available
        if ( event.pageX == null && original.clientX != null ) {
          eventDoc = event.target.ownerDocument || document;
          doc = eventDoc.documentElement;
          body = eventDoc.body;

          event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
          event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
        }

        // Add relatedTarget, if necessary
        if ( !event.relatedTarget && fromElement ) {
          event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
        }

        // Add which for click: 1 === left; 2 === middle; 3 === right
        // Note: button is not normalized, so don't use it
        if ( !event.which && button !== undefined ) {
          event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
        }

        return event;
      }
    },

    special: {
      load: {
        // Prevent triggered image.load events from bubbling to window.load
        noBubble: true
      },
      click: {
        // For checkbox, fire native event so checked state will be right
        trigger: function() {
          if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
            this.click();
            return false;
          }
        }
      },
      focus: {
        // Fire native event if possible so blur/focus sequence is correct
        trigger: function() {
          if ( this !== document.activeElement && this.focus ) {
            try {
              this.focus();
              return false;
            } catch ( e ) {
              // Support: IE<9
              // If we error on focus to hidden element (#1486, #12518),
              // let .trigger() run the handlers
            }
          }
        },
        delegateType: "focusin"
      },
      blur: {
        trigger: function() {
          if ( this === document.activeElement && this.blur ) {
            this.blur();
            return false;
          }
        },
        delegateType: "focusout"
      },

      beforeunload: {
        postDispatch: function( event ) {

          // Even when returnValue equals to undefined Firefox will still show alert
          if ( event.result !== undefined ) {
            event.originalEvent.returnValue = event.result;
          }
        }
      }
    },

    simulate: function( type, elem, event, bubble ) {
      // Piggyback on a donor event to simulate a different one.
      // Fake originalEvent to avoid donor's stopPropagation, but if the
      // simulated event prevents default then we do the same on the donor.
      var e = jQuery.extend(
          new jQuery.Event(),
          event,
          { type: type,
            isSimulated: true,
            originalEvent: {}
          }
      );
      if ( bubble ) {
        jQuery.event.trigger( e, null, elem );
      } else {
        jQuery.event.dispatch.call( elem, e );
      }
      if ( e.isDefaultPrevented() ) {
        event.preventDefault();
      }
    }
  };

  jQuery.removeEvent = document.removeEventListener ?
      function( elem, type, handle ) {
        if ( elem.removeEventListener ) {
          elem.removeEventListener( type, handle, false );
        }
      } :
      function( elem, type, handle ) {
        var name = "on" + type;

        if ( elem.detachEvent ) {

          // #8545, #7054, preventing memory leaks for custom events in IE6-8
          // detachEvent needed property on element, by name of that event, to properly expose it to GC
          if ( typeof elem[ name ] === core_strundefined ) {
            elem[ name ] = null;
          }

          elem.detachEvent( name, handle );
        }
      };

  jQuery.Event = function( src, props ) {
    // Allow instantiation without the 'new' keyword
    if ( !(this instanceof jQuery.Event) ) {
      return new jQuery.Event( src, props );
    }

    // Event object
    if ( src && src.type ) {
      this.originalEvent = src;
      this.type = src.type;

      // Events bubbling up the document may have been marked as prevented
      // by a handler lower down the tree; reflect the correct value.
      this.isDefaultPrevented = ( src.defaultPrevented || src.returnValue === false ||
          src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;

      // Event type
    } else {
      this.type = src;
    }

    // Put explicitly provided properties onto the event object
    if ( props ) {
      jQuery.extend( this, props );
    }

    // Create a timestamp if incoming event doesn't have one
    this.timeStamp = src && src.timeStamp || jQuery.now();

    // Mark it as fixed
    this[ jQuery.expando ] = true;
  };

// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
  jQuery.Event.prototype = {
    isDefaultPrevented: returnFalse,
    isPropagationStopped: returnFalse,
    isImmediatePropagationStopped: returnFalse,

    preventDefault: function() {
      var e = this.originalEvent;

      this.isDefaultPrevented = returnTrue;
      if ( !e ) {
        return;
      }

      // If preventDefault exists, run it on the original event
      if ( e.preventDefault ) {
        e.preventDefault();

        // Support: IE
        // Otherwise set the returnValue property of the original event to false
      } else {
        e.returnValue = false;
      }
    },
    stopPropagation: function() {
      var e = this.originalEvent;

      this.isPropagationStopped = returnTrue;
      if ( !e ) {
        return;
      }
      // If stopPropagation exists, run it on the original event
      if ( e.stopPropagation ) {
        e.stopPropagation();
      }

      // Support: IE
      // Set the cancelBubble property of the original event to true
      e.cancelBubble = true;
    },
    stopImmediatePropagation: function() {
      this.isImmediatePropagationStopped = returnTrue;
      this.stopPropagation();
    }
  };

// Create mouseenter/leave events using mouseover/out and event-time checks
  jQuery.each({
    mouseenter: "mouseover",
    mouseleave: "mouseout"
  }, function( orig, fix ) {
    jQuery.event.special[ orig ] = {
      delegateType: fix,
      bindType: fix,

      handle: function( event ) {
        var ret,
            target = this,
            related = event.relatedTarget,
            handleObj = event.handleObj;

        // For mousenter/leave call the handler if related is outside the target.
        // NB: No relatedTarget if the mouse left/entered the browser window
        if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
          event.type = handleObj.origType;
          ret = handleObj.handler.apply( this, arguments );
          event.type = fix;
        }
        return ret;
      }
    };
  });

// IE submit delegation
  if ( !jQuery.support.submitBubbles ) {

    jQuery.event.special.submit = {
      setup: function() {
        // Only need this for delegated form submit events
        if ( jQuery.nodeName( this, "form" ) ) {
          return false;
        }

        // Lazy-add a submit handler when a descendant form may potentially be submitted
        jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
          // Node name check avoids a VML-related crash in IE (#9807)
          var elem = e.target,
              form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
          if ( form && !jQuery._data( form, "submitBubbles" ) ) {
            jQuery.event.add( form, "submit._submit", function( event ) {
              event._submit_bubble = true;
            });
            jQuery._data( form, "submitBubbles", true );
          }
        });
        // return undefined since we don't need an event listener
      },

      postDispatch: function( event ) {
        // If form was submitted by the user, bubble the event up the tree
        if ( event._submit_bubble ) {
          delete event._submit_bubble;
          if ( this.parentNode && !event.isTrigger ) {
            jQuery.event.simulate( "submit", this.parentNode, event, true );
          }
        }
      },

      teardown: function() {
        // Only need this for delegated form submit events
        if ( jQuery.nodeName( this, "form" ) ) {
          return false;
        }

        // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
        jQuery.event.remove( this, "._submit" );
      }
    };
  }

// IE change delegation and checkbox/radio fix
  if ( !jQuery.support.changeBubbles ) {

    jQuery.event.special.change = {

      setup: function() {

        if ( rformElems.test( this.nodeName ) ) {
          // IE doesn't fire change on a check/radio until blur; trigger it on click
          // after a propertychange. Eat the blur-change in special.change.handle.
          // This still fires onchange a second time for check/radio after blur.
          if ( this.type === "checkbox" || this.type === "radio" ) {
            jQuery.event.add( this, "propertychange._change", function( event ) {
              if ( event.originalEvent.propertyName === "checked" ) {
                this._just_changed = true;
              }
            });
            jQuery.event.add( this, "click._change", function( event ) {
              if ( this._just_changed && !event.isTrigger ) {
                this._just_changed = false;
              }
              // Allow triggered, simulated change events (#11500)
              jQuery.event.simulate( "change", this, event, true );
            });
          }
          return false;
        }
        // Delegated event; lazy-add a change handler on descendant inputs
        jQuery.event.add( this, "beforeactivate._change", function( e ) {
          var elem = e.target;

          if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
            jQuery.event.add( elem, "change._change", function( event ) {
              if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
                jQuery.event.simulate( "change", this.parentNode, event, true );
              }
            });
            jQuery._data( elem, "changeBubbles", true );
          }
        });
      },

      handle: function( event ) {
        var elem = event.target;

        // Swallow native change events from checkbox/radio, we already triggered them above
        if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
          return event.handleObj.handler.apply( this, arguments );
        }
      },

      teardown: function() {
        jQuery.event.remove( this, "._change" );

        return !rformElems.test( this.nodeName );
      }
    };
  }

// Create "bubbling" focus and blur events
  if ( !jQuery.support.focusinBubbles ) {
    jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {

      // Attach a single capturing handler while someone wants focusin/focusout
      var attaches = 0,
          handler = function( event ) {
            jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
          };

      jQuery.event.special[ fix ] = {
        setup: function() {
          if ( attaches++ === 0 ) {
            document.addEventListener( orig, handler, true );
          }
        },
        teardown: function() {
          if ( --attaches === 0 ) {
            document.removeEventListener( orig, handler, true );
          }
        }
      };
    });
  }

  jQuery.fn.extend({

    on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
      var type, origFn;

      // Types can be a map of types/handlers
      if ( typeof types === "object" ) {
        // ( types-Object, selector, data )
        if ( typeof selector !== "string" ) {
          // ( types-Object, data )
          data = data || selector;
          selector = undefined;
        }
        for ( type in types ) {
          this.on( type, selector, data, types[ type ], one );
        }
        return this;
      }

      if ( data == null && fn == null ) {
        // ( types, fn )
        fn = selector;
        data = selector = undefined;
      } else if ( fn == null ) {
        if ( typeof selector === "string" ) {
          // ( types, selector, fn )
          fn = data;
          data = undefined;
        } else {
          // ( types, data, fn )
          fn = data;
          data = selector;
          selector = undefined;
        }
      }
      if ( fn === false ) {
        fn = returnFalse;
      } else if ( !fn ) {
        return this;
      }

      if ( one === 1 ) {
        origFn = fn;
        fn = function( event ) {
          // Can use an empty set, since event contains the info
          jQuery().off( event );
          return origFn.apply( this, arguments );
        };
        // Use same guid so caller can remove using origFn
        fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
      }
      return this.each( function() {
        jQuery.event.add( this, types, fn, data, selector );
      });
    },
    one: function( types, selector, data, fn ) {
      return this.on( types, selector, data, fn, 1 );
    },
    off: function( types, selector, fn ) {
      var handleObj, type;
      if ( types && types.preventDefault && types.handleObj ) {
        // ( event )  dispatched jQuery.Event
        handleObj = types.handleObj;
        jQuery( types.delegateTarget ).off(
            handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
            handleObj.selector,
            handleObj.handler
        );
        return this;
      }
      if ( typeof types === "object" ) {
        // ( types-object [, selector] )
        for ( type in types ) {
          this.off( type, selector, types[ type ] );
        }
        return this;
      }
      if ( selector === false || typeof selector === "function" ) {
        // ( types [, fn] )
        fn = selector;
        selector = undefined;
      }
      if ( fn === false ) {
        fn = returnFalse;
      }
      return this.each(function() {
        jQuery.event.remove( this, types, fn, selector );
      });
    },

    bind: function( types, data, fn ) {
      return this.on( types, null, data, fn );
    },
    unbind: function( types, fn ) {
      return this.off( types, null, fn );
    },

    delegate: function( selector, types, data, fn ) {
      return this.on( types, selector, data, fn );
    },
    undelegate: function( selector, types, fn ) {
      // ( namespace ) or ( selector, types [, fn] )
      return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
    },

    trigger: function( type, data ) {
      return this.each(function() {
        jQuery.event.trigger( type, data, this );
      });
    },
    triggerHandler: function( type, data ) {
      var elem = this[0];
      if ( elem ) {
        return jQuery.event.trigger( type, data, elem, true );
      }
    }
  });
  /*!
 * Sizzle CSS Selector Engine
 * Copyright 2012 jQuery Foundation and other contributors
 * Released under the MIT license
 * http://sizzlejs.com/
 */
  (function( window, undefined ) {

    var i,
        cachedruns,
        Expr,
        getText,
        isXML,
        compile,
        hasDuplicate,
        outermostContext,

        // Local document vars
        setDocument,
        document,
        docElem,
        documentIsXML,
        rbuggyQSA,
        rbuggyMatches,
        matches,
        contains,
        sortOrder,

        // Instance-specific data
        expando = "sizzle" + -(new Date()),
        preferredDoc = window.document,
        support = {},
        dirruns = 0,
        done = 0,
        classCache = createCache(),
        tokenCache = createCache(),
        compilerCache = createCache(),

        // General-purpose constants
        strundefined = typeof undefined,
        MAX_NEGATIVE = 1 << 31,

        // Array methods
        arr = [],
        pop = arr.pop,
        push = arr.push,
        slice = arr.slice,
        // Use a stripped-down indexOf if we can't use a native one
        indexOf = arr.indexOf || function( elem ) {
          var i = 0,
              len = this.length;
          for ( ; i < len; i++ ) {
            if ( this[i] === elem ) {
              return i;
            }
          }
          return -1;
        },


        // Regular expressions

        // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
        whitespace = "[\\x20\\t\\r\\n\\f]",
        // http://www.w3.org/TR/css3-syntax/#characters
        characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",

        // Loosely modeled on CSS identifier characters
        // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
        // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
        identifier = characterEncoding.replace( "w", "w#" ),

        // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
        operators = "([*^$|!~]?=)",
        attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
            "*(?:" + operators + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",

        // Prefer arguments quoted,
        //   then not containing pseudos/brackets,
        //   then attribute selectors/non-parenthetical expressions,
        //   then anything else
        // These preferences are here to reduce the number of selectors
        //   needing tokenize in the PSEUDO preFilter
        pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",

        // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
        rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),

        rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
        rcombinators = new RegExp( "^" + whitespace + "*([\\x20\\t\\r\\n\\f>+~])" + whitespace + "*" ),
        rpseudo = new RegExp( pseudos ),
        ridentifier = new RegExp( "^" + identifier + "$" ),

        matchExpr = {
          "ID": new RegExp( "^#(" + characterEncoding + ")" ),
          "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
          "NAME": new RegExp( "^\\[name=['\"]?(" + characterEncoding + ")['\"]?\\]" ),
          "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
          "ATTR": new RegExp( "^" + attributes ),
          "PSEUDO": new RegExp( "^" + pseudos ),
          "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
              "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
              "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
          // For use in libraries implementing .is()
          // We use this for POS matching in `select`
          "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
              whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
        },

        rsibling = /[\x20\t\r\n\f]*[+~]/,

        rnative = /^[^{]+\{\s*\[native code/,

        // Easily-parseable/retrievable ID or TAG or CLASS selectors
        rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,

        rinputs = /^(?:input|select|textarea|button)$/i,
        rheader = /^h\d$/i,

        rescape = /'|\\/g,
        rattributeQuotes = /\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,

        // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
        runescape = /\\([\da-fA-F]{1,6}[\x20\t\r\n\f]?|.)/g,
        funescape = function( _, escaped ) {
          var high = "0x" + escaped - 0x10000;
          // NaN means non-codepoint
          return high !== high ?
              escaped :
              // BMP codepoint
              high < 0 ?
                  String.fromCharCode( high + 0x10000 ) :
                  // Supplemental Plane codepoint (surrogate pair)
                  String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
        };

// Use a stripped-down slice if we can't use a native one
    try {
      slice.call( preferredDoc.documentElement.childNodes, 0 )[0].nodeType;
    } catch ( e ) {
      slice = function( i ) {
        var elem,
            results = [];
        while ( (elem = this[i++]) ) {
          results.push( elem );
        }
        return results;
      };
    }

    /**
     * For feature detection
     * @param {Function} fn The function to test for native support
     */
    function isNative( fn ) {
      return rnative.test( fn + "" );
    }

    /**
     * Create key-value caches of limited size
     * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
     *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
     *	deleting the oldest entry
     */
    function createCache() {
      var cache,
          keys = [];

      return (cache = function( key, value ) {
        // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
        if ( keys.push( key += " " ) > Expr.cacheLength ) {
          // Only keep the most recent entries
          delete cache[ keys.shift() ];
        }
        return (cache[ key ] = value);
      });
    }

    /**
     * Mark a function for special use by Sizzle
     * @param {Function} fn The function to mark
     */
    function markFunction( fn ) {
      fn[ expando ] = true;
      return fn;
    }

    /**
     * Support testing using an element
     * @param {Function} fn Passed the created div and expects a boolean result
     */
    function assert( fn ) {
      var div = document.createElement("div");

      try {
        return fn( div );
      } catch (e) {
        return false;
      } finally {
        // release memory in IE
        div = null;
      }
    }

    function Sizzle( selector, context, results, seed ) {
      var match, elem, m, nodeType,
          // QSA vars
          i, groups, old, nid, newContext, newSelector;

      if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
        setDocument( context );
      }

      context = context || document;
      results = results || [];

      if ( !selector || typeof selector !== "string" ) {
        return results;
      }

      if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
        return [];
      }

      if ( !documentIsXML && !seed ) {

        // Shortcuts
        if ( (match = rquickExpr.exec( selector )) ) {
          // Speed-up: Sizzle("#ID")
          if ( (m = match[1]) ) {
            if ( nodeType === 9 ) {
              elem = context.getElementById( m );
              // Check parentNode to catch when Blackberry 4.6 returns
              // nodes that are no longer in the document #6963
              if ( elem && elem.parentNode ) {
                // Handle the case where IE, Opera, and Webkit return items
                // by name instead of ID
                if ( elem.id === m ) {
                  results.push( elem );
                  return results;
                }
              } else {
                return results;
              }
            } else {
              // Context is not a document
              if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
                  contains( context, elem ) && elem.id === m ) {
                results.push( elem );
                return results;
              }
            }

            // Speed-up: Sizzle("TAG")
          } else if ( match[2] ) {
            push.apply( results, slice.call(context.getElementsByTagName( selector ), 0) );
            return results;

            // Speed-up: Sizzle(".CLASS")
          } else if ( (m = match[3]) && support.getByClassName && context.getElementsByClassName ) {
            push.apply( results, slice.call(context.getElementsByClassName( m ), 0) );
            return results;
          }
        }

        // QSA path
        if ( support.qsa && !rbuggyQSA.test(selector) ) {
          old = true;
          nid = expando;
          newContext = context;
          newSelector = nodeType === 9 && selector;

          // qSA works strangely on Element-rooted queries
          // We can work around this by specifying an extra ID on the root
          // and working up from there (Thanks to Andrew Dupont for the technique)
          // IE 8 doesn't work on object elements
          if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
            groups = tokenize( selector );

            if ( (old = context.getAttribute("id")) ) {
              nid = old.replace( rescape, "\\$&" );
            } else {
              context.setAttribute( "id", nid );
            }
            nid = "[id='" + nid + "'] ";

            i = groups.length;
            while ( i-- ) {
              groups[i] = nid + toSelector( groups[i] );
            }
            newContext = rsibling.test( selector ) && context.parentNode || context;
            newSelector = groups.join(",");
          }

          if ( newSelector ) {
            try {
              push.apply( results, slice.call( newContext.querySelectorAll(
                  newSelector
              ), 0 ) );
              return results;
            } catch(qsaError) {
            } finally {
              if ( !old ) {
                context.removeAttribute("id");
              }
            }
          }
        }
      }

      // All others
      return select( selector.replace( rtrim, "$1" ), context, results, seed );
    }

    /**
     * Detect xml
     * @param {Element|Object} elem An element or a document
     */
    isXML = Sizzle.isXML = function( elem ) {
      // documentElement is verified for cases where it doesn't yet exist
      // (such as loading iframes in IE - #4833)
      var documentElement = elem && (elem.ownerDocument || elem).documentElement;
      return documentElement ? documentElement.nodeName !== "HTML" : false;
    };

    /**
     * Sets document-related variables once based on the current document
     * @param {Element|Object} [doc] An element or document object to use to set the document
     * @returns {Object} Returns the current document
     */
    setDocument = Sizzle.setDocument = function( node ) {
      var doc = node ? node.ownerDocument || node : preferredDoc;

      // If no document and documentElement is available, return
      if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
        return document;
      }

      // Set our document
      document = doc;
      docElem = doc.documentElement;

      // Support tests
      documentIsXML = isXML( doc );

      // Check if getElementsByTagName("*") returns only elements
      support.tagNameNoComments = assert(function( div ) {
        div.appendChild( doc.createComment("") );
        return !div.getElementsByTagName("*").length;
      });

      // Check if attributes should be retrieved by attribute nodes
      support.attributes = assert(function( div ) {
        div.innerHTML = "<select></select>";
        var type = typeof div.lastChild.getAttribute("multiple");
        // IE8 returns a string for some attributes even when not present
        return type !== "boolean" && type !== "string";
      });

      // Check if getElementsByClassName can be trusted
      support.getByClassName = assert(function( div ) {
        // Opera can't find a second classname (in 9.6)
        div.innerHTML = "<div class='hidden e'></div><div class='hidden'></div>";
        if ( !div.getElementsByClassName || !div.getElementsByClassName("e").length ) {
          return false;
        }

        // Safari 3.2 caches class attributes and doesn't catch changes
        div.lastChild.className = "e";
        return div.getElementsByClassName("e").length === 2;
      });

      // Check if getElementById returns elements by name
      // Check if getElementsByName privileges form controls or returns elements by ID
      support.getByName = assert(function( div ) {
        // Inject content
        div.id = expando + 0;
        div.innerHTML = "<a name='" + expando + "'></a><div name='" + expando + "'></div>";
        docElem.insertBefore( div, docElem.firstChild );

        // Test
        var pass = doc.getElementsByName &&
            // buggy browsers will return fewer than the correct 2
            doc.getElementsByName( expando ).length === 2 +
            // buggy browsers will return more than the correct 0
            doc.getElementsByName( expando + 0 ).length;
        support.getIdNotName = !doc.getElementById( expando );

        // Cleanup
        docElem.removeChild( div );

        return pass;
      });

      // IE6/7 return modified attributes
      Expr.attrHandle = assert(function( div ) {
        div.innerHTML = "<a href='#'></a>";
        return div.firstChild && typeof div.firstChild.getAttribute !== strundefined &&
            div.firstChild.getAttribute("href") === "#";
      }) ?
          {} :
          {
            "href": function( elem ) {
              return elem.getAttribute( "href", 2 );
            },
            "type": function( elem ) {
              return elem.getAttribute("type");
            }
          };

      // ID find and filter
      if ( support.getIdNotName ) {
        Expr.find["ID"] = function( id, context ) {
          if ( typeof context.getElementById !== strundefined && !documentIsXML ) {
            var m = context.getElementById( id );
            // Check parentNode to catch when Blackberry 4.6 returns
            // nodes that are no longer in the document #6963
            return m && m.parentNode ? [m] : [];
          }
        };
        Expr.filter["ID"] = function( id ) {
          var attrId = id.replace( runescape, funescape );
          return function( elem ) {
            return elem.getAttribute("id") === attrId;
          };
        };
      } else {
        Expr.find["ID"] = function( id, context ) {
          if ( typeof context.getElementById !== strundefined && !documentIsXML ) {
            var m = context.getElementById( id );

            return m ?
                m.id === id || typeof m.getAttributeNode !== strundefined && m.getAttributeNode("id").value === id ?
                    [m] :
                    undefined :
                [];
          }
        };
        Expr.filter["ID"] =  function( id ) {
          var attrId = id.replace( runescape, funescape );
          return function( elem ) {
            var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
            return node && node.value === attrId;
          };
        };
      }

      // Tag
      Expr.find["TAG"] = support.tagNameNoComments ?
          function( tag, context ) {
            if ( typeof context.getElementsByTagName !== strundefined ) {
              return context.getElementsByTagName( tag );
            }
          } :
          function( tag, context ) {
            var elem,
                tmp = [],
                i = 0,
                results = context.getElementsByTagName( tag );

            // Filter out possible comments
            if ( tag === "*" ) {
              while ( (elem = results[i++]) ) {
                if ( elem.nodeType === 1 ) {
                  tmp.push( elem );
                }
              }

              return tmp;
            }
            return results;
          };

      // Name
      Expr.find["NAME"] = support.getByName && function( tag, context ) {
        if ( typeof context.getElementsByName !== strundefined ) {
          return context.getElementsByName( name );
        }
      };

      // Class
      Expr.find["CLASS"] = support.getByClassName && function( className, context ) {
        if ( typeof context.getElementsByClassName !== strundefined && !documentIsXML ) {
          return context.getElementsByClassName( className );
        }
      };

      // QSA and matchesSelector support

      // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
      rbuggyMatches = [];

      // qSa(:focus) reports false when true (Chrome 21),
      // no need to also add to buggyMatches since matches checks buggyQSA
      // A support test would require too much code (would include document ready)
      rbuggyQSA = [ ":focus" ];

      if ( (support.qsa = isNative(doc.querySelectorAll)) ) {
        // Build QSA regex
        // Regex strategy adopted from Diego Perini
        assert(function( div ) {
          // Select is set to empty string on purpose
          // This is to test IE's treatment of not explictly
          // setting a boolean content attribute,
          // since its presence should be enough
          // http://bugs.jquery.com/ticket/12359
          div.innerHTML = "<select><option selected=''></option></select>";

          // IE8 - Some boolean attributes are not treated correctly
          if ( !div.querySelectorAll("[selected]").length ) {
            rbuggyQSA.push( "\\[" + whitespace + "*(?:checked|disabled|ismap|multiple|readonly|selected|value)" );
          }

          // Webkit/Opera - :checked should return selected option elements
          // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
          // IE8 throws error here and will not see later tests
          if ( !div.querySelectorAll(":checked").length ) {
            rbuggyQSA.push(":checked");
          }
        });

        assert(function( div ) {

          // Opera 10-12/IE8 - ^= $= *= and empty values
          // Should not select anything
          div.innerHTML = "<input type='hidden' i=''/>";
          if ( div.querySelectorAll("[i^='']").length ) {
            rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:\"\"|'')" );
          }

          // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
          // IE8 throws error here and will not see later tests
          if ( !div.querySelectorAll(":enabled").length ) {
            rbuggyQSA.push( ":enabled", ":disabled" );
          }

          // Opera 10-11 does not throw on post-comma invalid pseudos
          div.querySelectorAll("*,:x");
          rbuggyQSA.push(",.*:");
        });
      }

      if ( (support.matchesSelector = isNative( (matches = docElem.matchesSelector ||
          docElem.mozMatchesSelector ||
          docElem.webkitMatchesSelector ||
          docElem.oMatchesSelector ||
          docElem.msMatchesSelector) )) ) {

        assert(function( div ) {
          // Check to see if it's possible to do matchesSelector
          // on a disconnected node (IE 9)
          support.disconnectedMatch = matches.call( div, "div" );

          // This should fail with an exception
          // Gecko does not error, returns false instead
          matches.call( div, "[s!='']:x" );
          rbuggyMatches.push( "!=", pseudos );
        });
      }

      rbuggyQSA = new RegExp( rbuggyQSA.join("|") );
      rbuggyMatches = new RegExp( rbuggyMatches.join("|") );

      // Element contains another
      // Purposefully does not implement inclusive descendent
      // As in, an element does not contain itself
      contains = isNative(docElem.contains) || docElem.compareDocumentPosition ?
          function( a, b ) {
            var adown = a.nodeType === 9 ? a.documentElement : a,
                bup = b && b.parentNode;
            return a === bup || !!( bup && bup.nodeType === 1 && (
                adown.contains ?
                    adown.contains( bup ) :
                    a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
            ));
          } :
          function( a, b ) {
            if ( b ) {
              while ( (b = b.parentNode) ) {
                if ( b === a ) {
                  return true;
                }
              }
            }
            return false;
          };

      // Document order sorting
      sortOrder = docElem.compareDocumentPosition ?
          function( a, b ) {
            var compare;

            if ( a === b ) {
              hasDuplicate = true;
              return 0;
            }

            if ( (compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b )) ) {
              if ( compare & 1 || a.parentNode && a.parentNode.nodeType === 11 ) {
                if ( a === doc || contains( preferredDoc, a ) ) {
                  return -1;
                }
                if ( b === doc || contains( preferredDoc, b ) ) {
                  return 1;
                }
                return 0;
              }
              return compare & 4 ? -1 : 1;
            }

            return a.compareDocumentPosition ? -1 : 1;
          } :
          function( a, b ) {
            var cur,
                i = 0,
                aup = a.parentNode,
                bup = b.parentNode,
                ap = [ a ],
                bp = [ b ];

            // Exit early if the nodes are identical
            if ( a === b ) {
              hasDuplicate = true;
              return 0;

              // Parentless nodes are either documents or disconnected
            } else if ( !aup || !bup ) {
              return a === doc ? -1 :
                  b === doc ? 1 :
                      aup ? -1 :
                          bup ? 1 :
                              0;

              // If the nodes are siblings, we can do a quick check
            } else if ( aup === bup ) {
              return siblingCheck( a, b );
            }

            // Otherwise we need full lists of their ancestors for comparison
            cur = a;
            while ( (cur = cur.parentNode) ) {
              ap.unshift( cur );
            }
            cur = b;
            while ( (cur = cur.parentNode) ) {
              bp.unshift( cur );
            }

            // Walk down the tree looking for a discrepancy
            while ( ap[i] === bp[i] ) {
              i++;
            }

            return i ?
                // Do a sibling check if the nodes have a common ancestor
                siblingCheck( ap[i], bp[i] ) :

                // Otherwise nodes in our document sort first
                ap[i] === preferredDoc ? -1 :
                    bp[i] === preferredDoc ? 1 :
                        0;
          };

      // Always assume the presence of duplicates if sort doesn't
      // pass them to our comparison function (as in Google Chrome).
      hasDuplicate = false;
      [0, 0].sort( sortOrder );
      support.detectDuplicates = hasDuplicate;

      return document;
    };

    Sizzle.matches = function( expr, elements ) {
      return Sizzle( expr, null, null, elements );
    };

    Sizzle.matchesSelector = function( elem, expr ) {
      // Set document vars if needed
      if ( ( elem.ownerDocument || elem ) !== document ) {
        setDocument( elem );
      }

      // Make sure that attribute selectors are quoted
      expr = expr.replace( rattributeQuotes, "='$1']" );

      // rbuggyQSA always contains :focus, so no need for an existence check
      if ( support.matchesSelector && !documentIsXML && (!rbuggyMatches || !rbuggyMatches.test(expr)) && !rbuggyQSA.test(expr) ) {
        try {
          var ret = matches.call( elem, expr );

          // IE 9's matchesSelector returns false on disconnected nodes
          if ( ret || support.disconnectedMatch ||
              // As well, disconnected nodes are said to be in a document
              // fragment in IE 9
              elem.document && elem.document.nodeType !== 11 ) {
            return ret;
          }
        } catch(e) {}
      }

      return Sizzle( expr, document, null, [elem] ).length > 0;
    };

    Sizzle.contains = function( context, elem ) {
      // Set document vars if needed
      if ( ( context.ownerDocument || context ) !== document ) {
        setDocument( context );
      }
      return contains( context, elem );
    };

    Sizzle.attr = function( elem, name ) {
      var val;

      // Set document vars if needed
      if ( ( elem.ownerDocument || elem ) !== document ) {
        setDocument( elem );
      }

      if ( !documentIsXML ) {
        name = name.toLowerCase();
      }
      if ( (val = Expr.attrHandle[ name ]) ) {
        return val( elem );
      }
      if ( documentIsXML || support.attributes ) {
        return elem.getAttribute( name );
      }
      return ( (val = elem.getAttributeNode( name )) || elem.getAttribute( name ) ) && elem[ name ] === true ?
          name :
          val && val.specified ? val.value : null;
    };

    Sizzle.error = function( msg ) {
      throw new Error( "Syntax error, unrecognized expression: " + msg );
    };

// Document sorting and removing duplicates
    Sizzle.uniqueSort = function( results ) {
      var elem,
          duplicates = [],
          i = 1,
          j = 0;

      // Unless we *know* we can detect duplicates, assume their presence
      hasDuplicate = !support.detectDuplicates;
      results.sort( sortOrder );

      if ( hasDuplicate ) {
        for ( ; (elem = results[i]); i++ ) {
          if ( elem === results[ i - 1 ] ) {
            j = duplicates.push( i );
          }
        }
        while ( j-- ) {
          results.splice( duplicates[ j ], 1 );
        }
      }

      return results;
    };

    function siblingCheck( a, b ) {
      var cur = b && a,
          diff = cur && ( ~b.sourceIndex || MAX_NEGATIVE ) - ( ~a.sourceIndex || MAX_NEGATIVE );

      // Use IE sourceIndex if available on both nodes
      if ( diff ) {
        return diff;
      }

      // Check if b follows a
      if ( cur ) {
        while ( (cur = cur.nextSibling) ) {
          if ( cur === b ) {
            return -1;
          }
        }
      }

      return a ? 1 : -1;
    }

// Returns a function to use in pseudos for input types
    function createInputPseudo( type ) {
      return function( elem ) {
        var name = elem.nodeName.toLowerCase();
        return name === "input" && elem.type === type;
      };
    }

// Returns a function to use in pseudos for buttons
    function createButtonPseudo( type ) {
      return function( elem ) {
        var name = elem.nodeName.toLowerCase();
        return (name === "input" || name === "button") && elem.type === type;
      };
    }

// Returns a function to use in pseudos for positionals
    function createPositionalPseudo( fn ) {
      return markFunction(function( argument ) {
        argument = +argument;
        return markFunction(function( seed, matches ) {
          var j,
              matchIndexes = fn( [], seed.length, argument ),
              i = matchIndexes.length;

          // Match elements found at the specified indexes
          while ( i-- ) {
            if ( seed[ (j = matchIndexes[i]) ] ) {
              seed[j] = !(matches[j] = seed[j]);
            }
          }
        });
      });
    }

    /**
     * Utility function for retrieving the text value of an array of DOM nodes
     * @param {Array|Element} elem
     */
    getText = Sizzle.getText = function( elem ) {
      var node,
          ret = "",
          i = 0,
          nodeType = elem.nodeType;

      if ( !nodeType ) {
        // If no nodeType, this is expected to be an array
        for ( ; (node = elem[i]); i++ ) {
          // Do not traverse comment nodes
          ret += getText( node );
        }
      } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
        // Use textContent for elements
        // innerText usage removed for consistency of new lines (see #11153)
        if ( typeof elem.textContent === "string" ) {
          return elem.textContent;
        } else {
          // Traverse its children
          for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
            ret += getText( elem );
          }
        }
      } else if ( nodeType === 3 || nodeType === 4 ) {
        return elem.nodeValue;
      }
      // Do not include comment or processing instruction nodes

      return ret;
    };

    Expr = Sizzle.selectors = {

      // Can be adjusted by the user
      cacheLength: 50,

      createPseudo: markFunction,

      match: matchExpr,

      find: {},

      relative: {
        ">": { dir: "parentNode", first: true },
        " ": { dir: "parentNode" },
        "+": { dir: "previousSibling", first: true },
        "~": { dir: "previousSibling" }
      },

      preFilter: {
        "ATTR": function( match ) {
          match[1] = match[1].replace( runescape, funescape );

          // Move the given value to match[3] whether quoted or unquoted
          match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );

          if ( match[2] === "~=" ) {
            match[3] = " " + match[3] + " ";
          }

          return match.slice( 0, 4 );
        },

        "CHILD": function( match ) {
          /* matches from matchExpr["CHILD"]
				1 type (only|nth|...)
				2 what (child|of-type)
				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
				4 xn-component of xn+y argument ([+-]?\d*n|)
				5 sign of xn-component
				6 x of xn-component
				7 sign of y-component
				8 y of y-component
			*/
          match[1] = match[1].toLowerCase();

          if ( match[1].slice( 0, 3 ) === "nth" ) {
            // nth-* requires argument
            if ( !match[3] ) {
              Sizzle.error( match[0] );
            }

            // numeric x and y parameters for Expr.filter.CHILD
            // remember that false/true cast respectively to 0/1
            match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
            match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );

            // other types prohibit arguments
          } else if ( match[3] ) {
            Sizzle.error( match[0] );
          }

          return match;
        },

        "PSEUDO": function( match ) {
          var excess,
              unquoted = !match[5] && match[2];

          if ( matchExpr["CHILD"].test( match[0] ) ) {
            return null;
          }

          // Accept quoted arguments as-is
          if ( match[4] ) {
            match[2] = match[4];

            // Strip excess characters from unquoted arguments
          } else if ( unquoted && rpseudo.test( unquoted ) &&
              // Get excess from tokenize (recursively)
              (excess = tokenize( unquoted, true )) &&
              // advance to the next closing parenthesis
              (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {

            // excess is a negative index
            match[0] = match[0].slice( 0, excess );
            match[2] = unquoted.slice( 0, excess );
          }

          // Return only captures needed by the pseudo filter method (type and argument)
          return match.slice( 0, 3 );
        }
      },

      filter: {

        "TAG": function( nodeName ) {
          if ( nodeName === "*" ) {
            return function() { return true; };
          }

          nodeName = nodeName.replace( runescape, funescape ).toLowerCase();
          return function( elem ) {
            return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
          };
        },

        "CLASS": function( className ) {
          var pattern = classCache[ className + " " ];

          return pattern ||
              (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
              classCache( className, function( elem ) {
                return pattern.test( elem.className || (typeof elem.getAttribute !== strundefined && elem.getAttribute("class")) || "" );
              });
        },

        "ATTR": function( name, operator, check ) {
          return function( elem ) {
            var result = Sizzle.attr( elem, name );

            if ( result == null ) {
              return operator === "!=";
            }
            if ( !operator ) {
              return true;
            }

            result += "";

            return operator === "=" ? result === check :
                operator === "!=" ? result !== check :
                    operator === "^=" ? check && result.indexOf( check ) === 0 :
                        operator === "*=" ? check && result.indexOf( check ) > -1 :
                            operator === "$=" ? check && result.slice( -check.length ) === check :
                                operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
                                    operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
                                        false;
          };
        },

        "CHILD": function( type, what, argument, first, last ) {
          var simple = type.slice( 0, 3 ) !== "nth",
              forward = type.slice( -4 ) !== "last",
              ofType = what === "of-type";

          return first === 1 && last === 0 ?

              // Shortcut for :nth-*(n)
              function( elem ) {
                return !!elem.parentNode;
              } :

              function( elem, context, xml ) {
                var cache, outerCache, node, diff, nodeIndex, start,
                    dir = simple !== forward ? "nextSibling" : "previousSibling",
                    parent = elem.parentNode,
                    name = ofType && elem.nodeName.toLowerCase(),
                    useCache = !xml && !ofType;

                if ( parent ) {

                  // :(first|last|only)-(child|of-type)
                  if ( simple ) {
                    while ( dir ) {
                      node = elem;
                      while ( (node = node[ dir ]) ) {
                        if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
                          return false;
                        }
                      }
                      // Reverse direction for :only-* (if we haven't yet done so)
                      start = dir = type === "only" && !start && "nextSibling";
                    }
                    return true;
                  }

                  start = [ forward ? parent.firstChild : parent.lastChild ];

                  // non-xml :nth-child(...) stores cache data on `parent`
                  if ( forward && useCache ) {
                    // Seek `elem` from a previously-cached index
                    outerCache = parent[ expando ] || (parent[ expando ] = {});
                    cache = outerCache[ type ] || [];
                    nodeIndex = cache[0] === dirruns && cache[1];
                    diff = cache[0] === dirruns && cache[2];
                    node = nodeIndex && parent.childNodes[ nodeIndex ];

                    while ( (node = ++nodeIndex && node && node[ dir ] ||

                        // Fallback to seeking `elem` from the start
                        (diff = nodeIndex = 0) || start.pop()) ) {

                      // When found, cache indexes on `parent` and break
                      if ( node.nodeType === 1 && ++diff && node === elem ) {
                        outerCache[ type ] = [ dirruns, nodeIndex, diff ];
                        break;
                      }
                    }

                    // Use previously-cached element index if available
                  } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
                    diff = cache[1];

                    // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
                  } else {
                    // Use the same loop as above to seek `elem` from the start
                    while ( (node = ++nodeIndex && node && node[ dir ] ||
                        (diff = nodeIndex = 0) || start.pop()) ) {

                      if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
                        // Cache the index of each encountered element
                        if ( useCache ) {
                          (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
                        }

                        if ( node === elem ) {
                          break;
                        }
                      }
                    }
                  }

                  // Incorporate the offset, then check against cycle size
                  diff -= last;
                  return diff === first || ( diff % first === 0 && diff / first >= 0 );
                }
              };
        },

        "PSEUDO": function( pseudo, argument ) {
          // pseudo-class names are case-insensitive
          // http://www.w3.org/TR/selectors/#pseudo-classes
          // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
          // Remember that setFilters inherits from pseudos
          var args,
              fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
                  Sizzle.error( "unsupported pseudo: " + pseudo );

          // The user may use createPseudo to indicate that
          // arguments are needed to create the filter function
          // just as Sizzle does
          if ( fn[ expando ] ) {
            return fn( argument );
          }

          // But maintain support for old signatures
          if ( fn.length > 1 ) {
            args = [ pseudo, pseudo, "", argument ];
            return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
                markFunction(function( seed, matches ) {
                  var idx,
                      matched = fn( seed, argument ),
                      i = matched.length;
                  while ( i-- ) {
                    idx = indexOf.call( seed, matched[i] );
                    seed[ idx ] = !( matches[ idx ] = matched[i] );
                  }
                }) :
                function( elem ) {
                  return fn( elem, 0, args );
                };
          }

          return fn;
        }
      },

      pseudos: {
        // Potentially complex pseudos
        "not": markFunction(function( selector ) {
          // Trim the selector passed to compile
          // to avoid treating leading and trailing
          // spaces as combinators
          var input = [],
              results = [],
              matcher = compile( selector.replace( rtrim, "$1" ) );

          return matcher[ expando ] ?
              markFunction(function( seed, matches, context, xml ) {
                var elem,
                    unmatched = matcher( seed, null, xml, [] ),
                    i = seed.length;

                // Match elements unmatched by `matcher`
                while ( i-- ) {
                  if ( (elem = unmatched[i]) ) {
                    seed[i] = !(matches[i] = elem);
                  }
                }
              }) :
              function( elem, context, xml ) {
                input[0] = elem;
                matcher( input, null, xml, results );
                return !results.pop();
              };
        }),

        "has": markFunction(function( selector ) {
          return function( elem ) {
            return Sizzle( selector, elem ).length > 0;
          };
        }),

        "contains": markFunction(function( text ) {
          return function( elem ) {
            return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
          };
        }),

        // "Whether an element is represented by a :lang() selector
        // is based solely on the element's language value
        // being equal to the identifier C,
        // or beginning with the identifier C immediately followed by "-".
        // The matching of C against the element's language value is performed case-insensitively.
        // The identifier C does not have to be a valid language name."
        // http://www.w3.org/TR/selectors/#lang-pseudo
        "lang": markFunction( function( lang ) {
          // lang value must be a valid identifider
          if ( !ridentifier.test(lang || "") ) {
            Sizzle.error( "unsupported lang: " + lang );
          }
          lang = lang.replace( runescape, funescape ).toLowerCase();
          return function( elem ) {
            var elemLang;
            do {
              if ( (elemLang = documentIsXML ?
                  elem.getAttribute("xml:lang") || elem.getAttribute("lang") :
                  elem.lang) ) {

                elemLang = elemLang.toLowerCase();
                return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
              }
            } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
            return false;
          };
        }),

        // Miscellaneous
        "target": function( elem ) {
          var hash = window.location && window.location.hash;
          return hash && hash.slice( 1 ) === elem.id;
        },

        "root": function( elem ) {
          return elem === docElem;
        },

        "focus": function( elem ) {
          return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
        },

        // Boolean properties
        "enabled": function( elem ) {
          return elem.disabled === false;
        },

        "disabled": function( elem ) {
          return elem.disabled === true;
        },

        "checked": function( elem ) {
          // In CSS3, :checked should return both checked and selected elements
          // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
          var nodeName = elem.nodeName.toLowerCase();
          return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
        },

        "selected": function( elem ) {
          // Accessing this property makes selected-by-default
          // options in Safari work properly
          if ( elem.parentNode ) {
            elem.parentNode.selectedIndex;
          }

          return elem.selected === true;
        },

        // Contents
        "empty": function( elem ) {
          // http://www.w3.org/TR/selectors/#empty-pseudo
          // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),
          //   not comment, processing instructions, or others
          // Thanks to Diego Perini for the nodeName shortcut
          //   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
          for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
            if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) {
              return false;
            }
          }
          return true;
        },

        "parent": function( elem ) {
          return !Expr.pseudos["empty"]( elem );
        },

        // Element/input types
        "header": function( elem ) {
          return rheader.test( elem.nodeName );
        },

        "input": function( elem ) {
          return rinputs.test( elem.nodeName );
        },

        "button": function( elem ) {
          var name = elem.nodeName.toLowerCase();
          return name === "input" && elem.type === "button" || name === "button";
        },

        "text": function( elem ) {
          var attr;
          // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
          // use getAttribute instead to test this case
          return elem.nodeName.toLowerCase() === "input" &&
              elem.type === "text" &&
              ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type );
        },

        // Position-in-collection
        "first": createPositionalPseudo(function() {
          return [ 0 ];
        }),

        "last": createPositionalPseudo(function( matchIndexes, length ) {
          return [ length - 1 ];
        }),

        "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
          return [ argument < 0 ? argument + length : argument ];
        }),

        "even": createPositionalPseudo(function( matchIndexes, length ) {
          var i = 0;
          for ( ; i < length; i += 2 ) {
            matchIndexes.push( i );
          }
          return matchIndexes;
        }),

        "odd": createPositionalPseudo(function( matchIndexes, length ) {
          var i = 1;
          for ( ; i < length; i += 2 ) {
            matchIndexes.push( i );
          }
          return matchIndexes;
        }),

        "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
          var i = argument < 0 ? argument + length : argument;
          for ( ; --i >= 0; ) {
            matchIndexes.push( i );
          }
          return matchIndexes;
        }),

        "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
          var i = argument < 0 ? argument + length : argument;
          for ( ; ++i < length; ) {
            matchIndexes.push( i );
          }
          return matchIndexes;
        })
      }
    };

// Add button/input type pseudos
    for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
      Expr.pseudos[ i ] = createInputPseudo( i );
    }
    for ( i in { submit: true, reset: true } ) {
      Expr.pseudos[ i ] = createButtonPseudo( i );
    }

    function tokenize( selector, parseOnly ) {
      var matched, match, tokens, type,
          soFar, groups, preFilters,
          cached = tokenCache[ selector + " " ];

      if ( cached ) {
        return parseOnly ? 0 : cached.slice( 0 );
      }

      soFar = selector;
      groups = [];
      preFilters = Expr.preFilter;

      while ( soFar ) {

        // Comma and first run
        if ( !matched || (match = rcomma.exec( soFar )) ) {
          if ( match ) {
            // Don't consume trailing commas as valid
            soFar = soFar.slice( match[0].length ) || soFar;
          }
          groups.push( tokens = [] );
        }

        matched = false;

        // Combinators
        if ( (match = rcombinators.exec( soFar )) ) {
          matched = match.shift();
          tokens.push( {
            value: matched,
            // Cast descendant combinators to space
            type: match[0].replace( rtrim, " " )
          } );
          soFar = soFar.slice( matched.length );
        }

        // Filters
        for ( type in Expr.filter ) {
          if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
              (match = preFilters[ type ]( match ))) ) {
            matched = match.shift();
            tokens.push( {
              value: matched,
              type: type,
              matches: match
            } );
            soFar = soFar.slice( matched.length );
          }
        }

        if ( !matched ) {
          break;
        }
      }

      // Return the length of the invalid excess
      // if we're just parsing
      // Otherwise, throw an error or return tokens
      return parseOnly ?
          soFar.length :
          soFar ?
              Sizzle.error( selector ) :
              // Cache the tokens
              tokenCache( selector, groups ).slice( 0 );
    }

    function toSelector( tokens ) {
      var i = 0,
          len = tokens.length,
          selector = "";
      for ( ; i < len; i++ ) {
        selector += tokens[i].value;
      }
      return selector;
    }

    function addCombinator( matcher, combinator, base ) {
      var dir = combinator.dir,
          checkNonElements = base && dir === "parentNode",
          doneName = done++;

      return combinator.first ?
          // Check against closest ancestor/preceding element
          function( elem, context, xml ) {
            while ( (elem = elem[ dir ]) ) {
              if ( elem.nodeType === 1 || checkNonElements ) {
                return matcher( elem, context, xml );
              }
            }
          } :

          // Check against all ancestor/preceding elements
          function( elem, context, xml ) {
            var data, cache, outerCache,
                dirkey = dirruns + " " + doneName;

            // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
            if ( xml ) {
              while ( (elem = elem[ dir ]) ) {
                if ( elem.nodeType === 1 || checkNonElements ) {
                  if ( matcher( elem, context, xml ) ) {
                    return true;
                  }
                }
              }
            } else {
              while ( (elem = elem[ dir ]) ) {
                if ( elem.nodeType === 1 || checkNonElements ) {
                  outerCache = elem[ expando ] || (elem[ expando ] = {});
                  if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) {
                    if ( (data = cache[1]) === true || data === cachedruns ) {
                      return data === true;
                    }
                  } else {
                    cache = outerCache[ dir ] = [ dirkey ];
                    cache[1] = matcher( elem, context, xml ) || cachedruns;
                    if ( cache[1] === true ) {
                      return true;
                    }
                  }
                }
              }
            }
          };
    }

    function elementMatcher( matchers ) {
      return matchers.length > 1 ?
          function( elem, context, xml ) {
            var i = matchers.length;
            while ( i-- ) {
              if ( !matchers[i]( elem, context, xml ) ) {
                return false;
              }
            }
            return true;
          } :
          matchers[0];
    }

    function condense( unmatched, map, filter, context, xml ) {
      var elem,
          newUnmatched = [],
          i = 0,
          len = unmatched.length,
          mapped = map != null;

      for ( ; i < len; i++ ) {
        if ( (elem = unmatched[i]) ) {
          if ( !filter || filter( elem, context, xml ) ) {
            newUnmatched.push( elem );
            if ( mapped ) {
              map.push( i );
            }
          }
        }
      }

      return newUnmatched;
    }

    function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
      if ( postFilter && !postFilter[ expando ] ) {
        postFilter = setMatcher( postFilter );
      }
      if ( postFinder && !postFinder[ expando ] ) {
        postFinder = setMatcher( postFinder, postSelector );
      }
      return markFunction(function( seed, results, context, xml ) {
        var temp, i, elem,
            preMap = [],
            postMap = [],
            preexisting = results.length,

            // Get initial elements from seed or context
            elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),

            // Prefilter to get matcher input, preserving a map for seed-results synchronization
            matcherIn = preFilter && ( seed || !selector ) ?
                condense( elems, preMap, preFilter, context, xml ) :
                elems,

            matcherOut = matcher ?
                // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
                postFinder || ( seed ? preFilter : preexisting || postFilter ) ?

                    // ...intermediate processing is necessary
                    [] :

                    // ...otherwise use results directly
                    results :
                matcherIn;

        // Find primary matches
        if ( matcher ) {
          matcher( matcherIn, matcherOut, context, xml );
        }

        // Apply postFilter
        if ( postFilter ) {
          temp = condense( matcherOut, postMap );
          postFilter( temp, [], context, xml );

          // Un-match failing elements by moving them back to matcherIn
          i = temp.length;
          while ( i-- ) {
            if ( (elem = temp[i]) ) {
              matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
            }
          }
        }

        if ( seed ) {
          if ( postFinder || preFilter ) {
            if ( postFinder ) {
              // Get the final matcherOut by condensing this intermediate into postFinder contexts
              temp = [];
              i = matcherOut.length;
              while ( i-- ) {
                if ( (elem = matcherOut[i]) ) {
                  // Restore matcherIn since elem is not yet a final match
                  temp.push( (matcherIn[i] = elem) );
                }
              }
              postFinder( null, (matcherOut = []), temp, xml );
            }

            // Move matched elements from seed to results to keep them synchronized
            i = matcherOut.length;
            while ( i-- ) {
              if ( (elem = matcherOut[i]) &&
                  (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {

                seed[temp] = !(results[temp] = elem);
              }
            }
          }

          // Add elements to results, through postFinder if defined
        } else {
          matcherOut = condense(
              matcherOut === results ?
                  matcherOut.splice( preexisting, matcherOut.length ) :
                  matcherOut
          );
          if ( postFinder ) {
            postFinder( null, results, matcherOut, xml );
          } else {
            push.apply( results, matcherOut );
          }
        }
      });
    }

    function matcherFromTokens( tokens ) {
      var checkContext, matcher, j,
          len = tokens.length,
          leadingRelative = Expr.relative[ tokens[0].type ],
          implicitRelative = leadingRelative || Expr.relative[" "],
          i = leadingRelative ? 1 : 0,

          // The foundational matcher ensures that elements are reachable from top-level context(s)
          matchContext = addCombinator( function( elem ) {
            return elem === checkContext;
          }, implicitRelative, true ),
          matchAnyContext = addCombinator( function( elem ) {
            return indexOf.call( checkContext, elem ) > -1;
          }, implicitRelative, true ),
          matchers = [ function( elem, context, xml ) {
            return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
                (checkContext = context).nodeType ?
                    matchContext( elem, context, xml ) :
                    matchAnyContext( elem, context, xml ) );
          } ];

      for ( ; i < len; i++ ) {
        if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
          matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
        } else {
          matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );

          // Return special upon seeing a positional matcher
          if ( matcher[ expando ] ) {
            // Find the next relative operator (if any) for proper handling
            j = ++i;
            for ( ; j < len; j++ ) {
              if ( Expr.relative[ tokens[j].type ] ) {
                break;
              }
            }
            return setMatcher(
                i > 1 && elementMatcher( matchers ),
                i > 1 && toSelector( tokens.slice( 0, i - 1 ) ).replace( rtrim, "$1" ),
                matcher,
                i < j && matcherFromTokens( tokens.slice( i, j ) ),
                j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
                j < len && toSelector( tokens )
            );
          }
          matchers.push( matcher );
        }
      }

      return elementMatcher( matchers );
    }

    function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
      // A counter to specify which element is currently being matched
      var matcherCachedRuns = 0,
          bySet = setMatchers.length > 0,
          byElement = elementMatchers.length > 0,
          superMatcher = function( seed, context, xml, results, expandContext ) {
            var elem, j, matcher,
                setMatched = [],
                matchedCount = 0,
                i = "0",
                unmatched = seed && [],
                outermost = expandContext != null,
                contextBackup = outermostContext,
                // We must always have either seed elements or context
                elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),
                // Use integer dirruns iff this is the outermost matcher
                dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);

            if ( outermost ) {
              outermostContext = context !== document && context;
              cachedruns = matcherCachedRuns;
            }

            // Add elements passing elementMatchers directly to results
            // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
            for ( ; (elem = elems[i]) != null; i++ ) {
              if ( byElement && elem ) {
                j = 0;
                while ( (matcher = elementMatchers[j++]) ) {
                  if ( matcher( elem, context, xml ) ) {
                    results.push( elem );
                    break;
                  }
                }
                if ( outermost ) {
                  dirruns = dirrunsUnique;
                  cachedruns = ++matcherCachedRuns;
                }
              }

              // Track unmatched elements for set filters
              if ( bySet ) {
                // They will have gone through all possible matchers
                if ( (elem = !matcher && elem) ) {
                  matchedCount--;
                }

                // Lengthen the array for every element, matched or not
                if ( seed ) {
                  unmatched.push( elem );
                }
              }
            }

            // Apply set filters to unmatched elements
            matchedCount += i;
            if ( bySet && i !== matchedCount ) {
              j = 0;
              while ( (matcher = setMatchers[j++]) ) {
                matcher( unmatched, setMatched, context, xml );
              }

              if ( seed ) {
                // Reintegrate element matches to eliminate the need for sorting
                if ( matchedCount > 0 ) {
                  while ( i-- ) {
                    if ( !(unmatched[i] || setMatched[i]) ) {
                      setMatched[i] = pop.call( results );
                    }
                  }
                }

                // Discard index placeholder values to get only actual matches
                setMatched = condense( setMatched );
              }

              // Add matches to results
              push.apply( results, setMatched );

              // Seedless set matches succeeding multiple successful matchers stipulate sorting
              if ( outermost && !seed && setMatched.length > 0 &&
                  ( matchedCount + setMatchers.length ) > 1 ) {

                Sizzle.uniqueSort( results );
              }
            }

            // Override manipulation of globals by nested matchers
            if ( outermost ) {
              dirruns = dirrunsUnique;
              outermostContext = contextBackup;
            }

            return unmatched;
          };

      return bySet ?
          markFunction( superMatcher ) :
          superMatcher;
    }

    compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
      var i,
          setMatchers = [],
          elementMatchers = [],
          cached = compilerCache[ selector + " " ];

      if ( !cached ) {
        // Generate a function of recursive functions that can be used to check each element
        if ( !group ) {
          group = tokenize( selector );
        }
        i = group.length;
        while ( i-- ) {
          cached = matcherFromTokens( group[i] );
          if ( cached[ expando ] ) {
            setMatchers.push( cached );
          } else {
            elementMatchers.push( cached );
          }
        }

        // Cache the compiled function
        cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
      }
      return cached;
    };

    function multipleContexts( selector, contexts, results ) {
      var i = 0,
          len = contexts.length;
      for ( ; i < len; i++ ) {
        Sizzle( selector, contexts[i], results );
      }
      return results;
    }

    function select( selector, context, results, seed ) {
      var i, tokens, token, type, find,
          match = tokenize( selector );

      if ( !seed ) {
        // Try to minimize operations if there is only one group
        if ( match.length === 1 ) {

          // Take a shortcut and set the context if the root selector is an ID
          tokens = match[0] = match[0].slice( 0 );
          if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
              context.nodeType === 9 && !documentIsXML &&
              Expr.relative[ tokens[1].type ] ) {

            context = Expr.find["ID"]( token.matches[0].replace( runescape, funescape ), context )[0];
            if ( !context ) {
              return results;
            }

            selector = selector.slice( tokens.shift().value.length );
          }

          // Fetch a seed set for right-to-left matching
          i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
          while ( i-- ) {
            token = tokens[i];

            // Abort if we hit a combinator
            if ( Expr.relative[ (type = token.type) ] ) {
              break;
            }
            if ( (find = Expr.find[ type ]) ) {
              // Search, expanding context for leading sibling combinators
              if ( (seed = find(
                  token.matches[0].replace( runescape, funescape ),
                  rsibling.test( tokens[0].type ) && context.parentNode || context
              )) ) {

                // If seed is empty or no tokens remain, we can return early
                tokens.splice( i, 1 );
                selector = seed.length && toSelector( tokens );
                if ( !selector ) {
                  push.apply( results, slice.call( seed, 0 ) );
                  return results;
                }

                break;
              }
            }
          }
        }
      }

      // Compile and execute a filtering function
      // Provide `match` to avoid retokenization if we modified the selector above
      compile( selector, match )(
          seed,
          context,
          documentIsXML,
          results,
          rsibling.test( selector )
      );
      return results;
    }

// Deprecated
    Expr.pseudos["nth"] = Expr.pseudos["eq"];

// Easy API for creating new setFilters
    function setFilters() {}
    Expr.filters = setFilters.prototype = Expr.pseudos;
    Expr.setFilters = new setFilters();

// Initialize with the default document
    setDocument();

// Override sizzle attribute retrieval
    Sizzle.attr = jQuery.attr;
    jQuery.find = Sizzle;
    jQuery.expr = Sizzle.selectors;
    jQuery.expr[":"] = jQuery.expr.pseudos;
    jQuery.unique = Sizzle.uniqueSort;
    jQuery.text = Sizzle.getText;
    jQuery.isXMLDoc = Sizzle.isXML;
    jQuery.contains = Sizzle.contains;


  })( window );
  var runtil = /Until$/,
      rparentsprev = /^(?:parents|prev(?:Until|All))/,
      isSimple = /^.[^:#\[\.,]*$/,
      rneedsContext = jQuery.expr.match.needsContext,
      // methods guaranteed to produce a unique set when starting from a unique set
      guaranteedUnique = {
        children: true,
        contents: true,
        next: true,
        prev: true
      };

  jQuery.fn.extend({
    find: function( selector ) {
      var i, ret, self,
          len = this.length;

      if ( typeof selector !== "string" ) {
        self = this;
        return this.pushStack( jQuery( selector ).filter(function() {
          for ( i = 0; i < len; i++ ) {
            if ( jQuery.contains( self[ i ], this ) ) {
              return true;
            }
          }
        }) );
      }

      ret = [];
      for ( i = 0; i < len; i++ ) {
        jQuery.find( selector, this[ i ], ret );
      }

      // Needed because $( selector, context ) becomes $( context ).find( selector )
      ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
      ret.selector = ( this.selector ? this.selector + " " : "" ) + selector;
      return ret;
    },

    has: function( target ) {
      var i,
          targets = jQuery( target, this ),
          len = targets.length;

      return this.filter(function() {
        for ( i = 0; i < len; i++ ) {
          if ( jQuery.contains( this, targets[i] ) ) {
            return true;
          }
        }
      });
    },

    not: function( selector ) {
      return this.pushStack( winnow(this, selector, false) );
    },

    filter: function( selector ) {
      return this.pushStack( winnow(this, selector, true) );
    },

    is: function( selector ) {
      return !!selector && (
          typeof selector === "string" ?
              // If this is a positional/relative selector, check membership in the returned set
              // so $("p:first").is("p:last") won't return true for a doc with two "p".
              rneedsContext.test( selector ) ?
                  jQuery( selector, this.context ).index( this[0] ) >= 0 :
                  jQuery.filter( selector, this ).length > 0 :
              this.filter( selector ).length > 0 );
    },

    closest: function( selectors, context ) {
      var cur,
          i = 0,
          l = this.length,
          ret = [],
          pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
              jQuery( selectors, context || this.context ) :
              0;

      for ( ; i < l; i++ ) {
        cur = this[i];

        while ( cur && cur.ownerDocument && cur !== context && cur.nodeType !== 11 ) {
          if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
            ret.push( cur );
            break;
          }
          cur = cur.parentNode;
        }
      }

      return this.pushStack( ret.length > 1 ? jQuery.unique( ret ) : ret );
    },

    // Determine the position of an element within
    // the matched set of elements
    index: function( elem ) {

      // No argument, return index in parent
      if ( !elem ) {
        return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
      }

      // index in selector
      if ( typeof elem === "string" ) {
        return jQuery.inArray( this[0], jQuery( elem ) );
      }

      // Locate the position of the desired element
      return jQuery.inArray(
          // If it receives a jQuery object, the first element is used
          elem.jquery ? elem[0] : elem, this );
    },

    add: function( selector, context ) {
      var set = typeof selector === "string" ?
          jQuery( selector, context ) :
          jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
          all = jQuery.merge( this.get(), set );

      return this.pushStack( jQuery.unique(all) );
    },

    addBack: function( selector ) {
      return this.add( selector == null ?
          this.prevObject : this.prevObject.filter(selector)
      );
    }
  });

  jQuery.fn.andSelf = jQuery.fn.addBack;

  function sibling( cur, dir ) {
    do {
      cur = cur[ dir ];
    } while ( cur && cur.nodeType !== 1 );

    return cur;
  }

  jQuery.each({
    parent: function( elem ) {
      var parent = elem.parentNode;
      return parent && parent.nodeType !== 11 ? parent : null;
    },
    parents: function( elem ) {
      return jQuery.dir( elem, "parentNode" );
    },
    parentsUntil: function( elem, i, until ) {
      return jQuery.dir( elem, "parentNode", until );
    },
    next: function( elem ) {
      return sibling( elem, "nextSibling" );
    },
    prev: function( elem ) {
      return sibling( elem, "previousSibling" );
    },
    nextAll: function( elem ) {
      return jQuery.dir( elem, "nextSibling" );
    },
    prevAll: function( elem ) {
      return jQuery.dir( elem, "previousSibling" );
    },
    nextUntil: function( elem, i, until ) {
      return jQuery.dir( elem, "nextSibling", until );
    },
    prevUntil: function( elem, i, until ) {
      return jQuery.dir( elem, "previousSibling", until );
    },
    siblings: function( elem ) {
      return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
    },
    children: function( elem ) {
      return jQuery.sibling( elem.firstChild );
    },
    contents: function( elem ) {
      return jQuery.nodeName( elem, "iframe" ) ?
          elem.contentDocument || elem.contentWindow.document :
          jQuery.merge( [], elem.childNodes );
    }
  }, function( name, fn ) {
    jQuery.fn[ name ] = function( until, selector ) {
      var ret = jQuery.map( this, fn, until );

      if ( !runtil.test( name ) ) {
        selector = until;
      }

      if ( selector && typeof selector === "string" ) {
        ret = jQuery.filter( selector, ret );
      }

      ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;

      if ( this.length > 1 && rparentsprev.test( name ) ) {
        ret = ret.reverse();
      }

      return this.pushStack( ret );
    };
  });

  jQuery.extend({
    filter: function( expr, elems, not ) {
      if ( not ) {
        expr = ":not(" + expr + ")";
      }

      return elems.length === 1 ?
          jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
          jQuery.find.matches(expr, elems);
    },

    dir: function( elem, dir, until ) {
      var matched = [],
          cur = elem[ dir ];

      while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
        if ( cur.nodeType === 1 ) {
          matched.push( cur );
        }
        cur = cur[dir];
      }
      return matched;
    },

    sibling: function( n, elem ) {
      var r = [];

      for ( ; n; n = n.nextSibling ) {
        if ( n.nodeType === 1 && n !== elem ) {
          r.push( n );
        }
      }

      return r;
    }
  });

// Implement the identical functionality for filter and not
  function winnow( elements, qualifier, keep ) {

    // Can't pass null or undefined to indexOf in Firefox 4
    // Set to 0 to skip string check
    qualifier = qualifier || 0;

    if ( jQuery.isFunction( qualifier ) ) {
      return jQuery.grep(elements, function( elem, i ) {
        var retVal = !!qualifier.call( elem, i, elem );
        return retVal === keep;
      });

    } else if ( qualifier.nodeType ) {
      return jQuery.grep(elements, function( elem ) {
        return ( elem === qualifier ) === keep;
      });

    } else if ( typeof qualifier === "string" ) {
      var filtered = jQuery.grep(elements, function( elem ) {
        return elem.nodeType === 1;
      });

      if ( isSimple.test( qualifier ) ) {
        return jQuery.filter(qualifier, filtered, !keep);
      } else {
        qualifier = jQuery.filter( qualifier, filtered );
      }
    }

    return jQuery.grep(elements, function( elem ) {
      return ( jQuery.inArray( elem, qualifier ) >= 0 ) === keep;
    });
  }
  function createSafeFragment( document ) {
    var list = nodeNames.split( "|" ),
        safeFrag = document.createDocumentFragment();

    if ( safeFrag.createElement ) {
      while ( list.length ) {
        safeFrag.createElement(
            list.pop()
        );
      }
    }
    return safeFrag;
  }

  var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
      "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
      rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
      rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
      rleadingWhitespace = /^\s+/,
      rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
      rtagName = /<([\w:]+)/,
      rtbody = /<tbody/i,
      rhtml = /<|&#?\w+;/,
      rnoInnerhtml = /<(?:script|style|link)/i,
      manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
      // checked="checked" or checked
      rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
      rscriptType = /^$|\/(?:java|ecma)script/i,
      rscriptTypeMasked = /^true\/(.*)/,
      rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,

      // We have to close these tags to support XHTML (#13200)
      wrapMap = {
        option: [ 1, "<select multiple='multiple'>", "</select>" ],
        legend: [ 1, "<fieldset>", "</fieldset>" ],
        area: [ 1, "<map>", "</map>" ],
        param: [ 1, "<object>", "</object>" ],
        thead: [ 1, "<table>", "</table>" ],
        tr: [ 2, "<table><tbody>", "</tbody></table>" ],
        col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
        td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],

        // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
        // unless wrapped in a div with non-breaking characters in front of it.
        _default: jQuery.support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
      },
      safeFragment = createSafeFragment( document ),
      fragmentDiv = safeFragment.appendChild( document.createElement("div") );

  wrapMap.optgroup = wrapMap.option;
  wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  wrapMap.th = wrapMap.td;

  jQuery.fn.extend({
    text: function( value ) {
      return jQuery.access( this, function( value ) {
        return value === undefined ?
            jQuery.text( this ) :
            this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
      }, null, value, arguments.length );
    },

    wrapAll: function( html ) {
      if ( jQuery.isFunction( html ) ) {
        return this.each(function(i) {
          jQuery(this).wrapAll( html.call(this, i) );
        });
      }

      if ( this[0] ) {
        // The elements to wrap the target around
        var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);

        if ( this[0].parentNode ) {
          wrap.insertBefore( this[0] );
        }

        wrap.map(function() {
          var elem = this;

          while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
            elem = elem.firstChild;
          }

          return elem;
        }).append( this );
      }

      return this;
    },

    wrapInner: function( html ) {
      if ( jQuery.isFunction( html ) ) {
        return this.each(function(i) {
          jQuery(this).wrapInner( html.call(this, i) );
        });
      }

      return this.each(function() {
        var self = jQuery( this ),
            contents = self.contents();

        if ( contents.length ) {
          contents.wrapAll( html );

        } else {
          self.append( html );
        }
      });
    },

    wrap: function( html ) {
      var isFunction = jQuery.isFunction( html );

      return this.each(function(i) {
        jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
      });
    },

    unwrap: function() {
      return this.parent().each(function() {
        if ( !jQuery.nodeName( this, "body" ) ) {
          jQuery( this ).replaceWith( this.childNodes );
        }
      }).end();
    },

    append: function() {
      return this.domManip(arguments, true, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
          this.appendChild( elem );
        }
      });
    },

    prepend: function() {
      return this.domManip(arguments, true, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
          this.insertBefore( elem, this.firstChild );
        }
      });
    },

    before: function() {
      return this.domManip( arguments, false, function( elem ) {
        if ( this.parentNode ) {
          this.parentNode.insertBefore( elem, this );
        }
      });
    },

    after: function() {
      return this.domManip( arguments, false, function( elem ) {
        if ( this.parentNode ) {
          this.parentNode.insertBefore( elem, this.nextSibling );
        }
      });
    },

    // keepData is for internal use only--do not document
    remove: function( selector, keepData ) {
      var elem,
          i = 0;

      for ( ; (elem = this[i]) != null; i++ ) {
        if ( !selector || jQuery.filter( selector, [ elem ] ).length > 0 ) {
          if ( !keepData && elem.nodeType === 1 ) {
            jQuery.cleanData( getAll( elem ) );
          }

          if ( elem.parentNode ) {
            if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
              setGlobalEval( getAll( elem, "script" ) );
            }
            elem.parentNode.removeChild( elem );
          }
        }
      }

      return this;
    },

    empty: function() {
      var elem,
          i = 0;

      for ( ; (elem = this[i]) != null; i++ ) {
        // Remove element nodes and prevent memory leaks
        if ( elem.nodeType === 1 ) {
          jQuery.cleanData( getAll( elem, false ) );
        }

        // Remove any remaining nodes
        while ( elem.firstChild ) {
          elem.removeChild( elem.firstChild );
        }

        // If this is a select, ensure that it displays empty (#12336)
        // Support: IE<9
        if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
          elem.options.length = 0;
        }
      }

      return this;
    },

    clone: function( dataAndEvents, deepDataAndEvents ) {
      dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
      deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;

      return this.map( function () {
        return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
      });
    },

    html: function( value ) {
      return jQuery.access( this, function( value ) {
        var elem = this[0] || {},
            i = 0,
            l = this.length;

        if ( value === undefined ) {
          return elem.nodeType === 1 ?
              elem.innerHTML.replace( rinlinejQuery, "" ) :
              undefined;
        }

        // See if we can take a shortcut and just use innerHTML
        if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
            ( jQuery.support.htmlSerialize || !rnoshimcache.test( value )  ) &&
            ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
            !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {

          value = value.replace( rxhtmlTag, "<$1></$2>" );

          try {
            for (; i < l; i++ ) {
              // Remove element nodes and prevent memory leaks
              elem = this[i] || {};
              if ( elem.nodeType === 1 ) {
                jQuery.cleanData( getAll( elem, false ) );
                elem.innerHTML = value;
              }
            }

            elem = 0;

            // If using innerHTML throws an exception, use the fallback method
          } catch(e) {}
        }

        if ( elem ) {
          this.empty().append( value );
        }
      }, null, value, arguments.length );
    },

    replaceWith: function( value ) {
      var isFunc = jQuery.isFunction( value );

      // Make sure that the elements are removed from the DOM before they are inserted
      // this can help fix replacing a parent with child elements
      if ( !isFunc && typeof value !== "string" ) {
        value = jQuery( value ).not( this ).detach();
      }

      return this.domManip( [ value ], true, function( elem ) {
        var next = this.nextSibling,
            parent = this.parentNode;

        if ( parent ) {
          jQuery( this ).remove();
          parent.insertBefore( elem, next );
        }
      });
    },

    detach: function( selector ) {
      return this.remove( selector, true );
    },

    domManip: function( args, table, callback ) {

      // Flatten any nested arrays
      args = core_concat.apply( [], args );

      var first, node, hasScripts,
          scripts, doc, fragment,
          i = 0,
          l = this.length,
          set = this,
          iNoClone = l - 1,
          value = args[0],
          isFunction = jQuery.isFunction( value );

      // We can't cloneNode fragments that contain checked, in WebKit
      if ( isFunction || !( l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test( value ) ) ) {
        return this.each(function( index ) {
          var self = set.eq( index );
          if ( isFunction ) {
            args[0] = value.call( this, index, table ? self.html() : undefined );
          }
          self.domManip( args, table, callback );
        });
      }

      if ( l ) {
        fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
        first = fragment.firstChild;

        if ( fragment.childNodes.length === 1 ) {
          fragment = first;
        }

        if ( first ) {
          table = table && jQuery.nodeName( first, "tr" );
          scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
          hasScripts = scripts.length;

          // Use the original fragment for the last item instead of the first because it can end up
          // being emptied incorrectly in certain situations (#8070).
          for ( ; i < l; i++ ) {
            node = fragment;

            if ( i !== iNoClone ) {
              node = jQuery.clone( node, true, true );

              // Keep references to cloned scripts for later restoration
              if ( hasScripts ) {
                jQuery.merge( scripts, getAll( node, "script" ) );
              }
            }

            callback.call(
                table && jQuery.nodeName( this[i], "table" ) ?
                    findOrAppend( this[i], "tbody" ) :
                    this[i],
                node,
                i
            );
          }

          if ( hasScripts ) {
            doc = scripts[ scripts.length - 1 ].ownerDocument;

            // Reenable scripts
            jQuery.map( scripts, restoreScript );

            // Evaluate executable scripts on first document insertion
            for ( i = 0; i < hasScripts; i++ ) {
              node = scripts[ i ];
              if ( rscriptType.test( node.type || "" ) &&
                  !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {

                if ( node.src ) {
                  // Hope ajax is available...
                  jQuery.ajax({
                    url: node.src,
                    type: "GET",
                    dataType: "script",
                    async: false,
                    global: false,
                    "throws": true
                  });
                } else {
                  jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
                }
              }
            }
          }

          // Fix #11809: Avoid leaking memory
          fragment = first = null;
        }
      }

      return this;
    }
  });

  function findOrAppend( elem, tag ) {
    return elem.getElementsByTagName( tag )[0] || elem.appendChild( elem.ownerDocument.createElement( tag ) );
  }

// Replace/restore the type attribute of script elements for safe DOM manipulation
  function disableScript( elem ) {
    var attr = elem.getAttributeNode("type");
    elem.type = ( attr && attr.specified ) + "/" + elem.type;
    return elem;
  }
  function restoreScript( elem ) {
    var match = rscriptTypeMasked.exec( elem.type );
    if ( match ) {
      elem.type = match[1];
    } else {
      elem.removeAttribute("type");
    }
    return elem;
  }

// Mark scripts as having already been evaluated
  function setGlobalEval( elems, refElements ) {
    var elem,
        i = 0;
    for ( ; (elem = elems[i]) != null; i++ ) {
      jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
    }
  }

  function cloneCopyEvent( src, dest ) {

    if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
      return;
    }

    var type, i, l,
        oldData = jQuery._data( src ),
        curData = jQuery._data( dest, oldData ),
        events = oldData.events;

    if ( events ) {
      delete curData.handle;
      curData.events = {};

      for ( type in events ) {
        for ( i = 0, l = events[ type ].length; i < l; i++ ) {
          jQuery.event.add( dest, type, events[ type ][ i ] );
        }
      }
    }

    // make the cloned public data object a copy from the original
    if ( curData.data ) {
      curData.data = jQuery.extend( {}, curData.data );
    }
  }

  function fixCloneNodeIssues( src, dest ) {
    var nodeName, e, data;

    // We do not need to do anything for non-Elements
    if ( dest.nodeType !== 1 ) {
      return;
    }

    nodeName = dest.nodeName.toLowerCase();

    // IE6-8 copies events bound via attachEvent when using cloneNode.
    if ( !jQuery.support.noCloneEvent && dest[ jQuery.expando ] ) {
      data = jQuery._data( dest );

      for ( e in data.events ) {
        jQuery.removeEvent( dest, e, data.handle );
      }

      // Event data gets referenced instead of copied if the expando gets copied too
      dest.removeAttribute( jQuery.expando );
    }

    // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
    if ( nodeName === "script" && dest.text !== src.text ) {
      disableScript( dest ).text = src.text;
      restoreScript( dest );

      // IE6-10 improperly clones children of object elements using classid.
      // IE10 throws NoModificationAllowedError if parent is null, #12132.
    } else if ( nodeName === "object" ) {
      if ( dest.parentNode ) {
        dest.outerHTML = src.outerHTML;
      }

      // This path appears unavoidable for IE9. When cloning an object
      // element in IE9, the outerHTML strategy above is not sufficient.
      // If the src has innerHTML and the destination does not,
      // copy the src.innerHTML into the dest.innerHTML. #10324
      if ( jQuery.support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
        dest.innerHTML = src.innerHTML;
      }

    } else if ( nodeName === "input" && manipulation_rcheckableType.test( src.type ) ) {
      // IE6-8 fails to persist the checked state of a cloned checkbox
      // or radio button. Worse, IE6-7 fail to give the cloned element
      // a checked appearance if the defaultChecked value isn't also set

      dest.defaultChecked = dest.checked = src.checked;

      // IE6-7 get confused and end up setting the value of a cloned
      // checkbox/radio button to an empty string instead of "on"
      if ( dest.value !== src.value ) {
        dest.value = src.value;
      }

      // IE6-8 fails to return the selected option to the default selected
      // state when cloning options
    } else if ( nodeName === "option" ) {
      dest.defaultSelected = dest.selected = src.defaultSelected;

      // IE6-8 fails to set the defaultValue to the correct value when
      // cloning other types of input fields
    } else if ( nodeName === "input" || nodeName === "textarea" ) {
      dest.defaultValue = src.defaultValue;
    }
  }

  jQuery.each({
    appendTo: "append",
    prependTo: "prepend",
    insertBefore: "before",
    insertAfter: "after",
    replaceAll: "replaceWith"
  }, function( name, original ) {
    jQuery.fn[ name ] = function( selector ) {
      var elems,
          i = 0,
          ret = [],
          insert = jQuery( selector ),
          last = insert.length - 1;

      for ( ; i <= last; i++ ) {
        elems = i === last ? this : this.clone(true);
        jQuery( insert[i] )[ original ]( elems );

        // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
        core_push.apply( ret, elems.get() );
      }

      return this.pushStack( ret );
    };
  });

  function getAll( context, tag ) {
    var elems, elem,
        i = 0,
        found = typeof context.getElementsByTagName !== core_strundefined ? context.getElementsByTagName( tag || "*" ) :
            typeof context.querySelectorAll !== core_strundefined ? context.querySelectorAll( tag || "*" ) :
                undefined;

    if ( !found ) {
      for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
        if ( !tag || jQuery.nodeName( elem, tag ) ) {
          found.push( elem );
        } else {
          jQuery.merge( found, getAll( elem, tag ) );
        }
      }
    }

    return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
        jQuery.merge( [ context ], found ) :
        found;
  }

// Used in buildFragment, fixes the defaultChecked property
  function fixDefaultChecked( elem ) {
    if ( manipulation_rcheckableType.test( elem.type ) ) {
      elem.defaultChecked = elem.checked;
    }
  }

  jQuery.extend({
    clone: function( elem, dataAndEvents, deepDataAndEvents ) {
      var destElements, node, clone, i, srcElements,
          inPage = jQuery.contains( elem.ownerDocument, elem );

      if ( jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
        clone = elem.cloneNode( true );

        // IE<=8 does not properly clone detached, unknown element nodes
      } else {
        fragmentDiv.innerHTML = elem.outerHTML;
        fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
      }

      if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
          (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {

        // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
        destElements = getAll( clone );
        srcElements = getAll( elem );

        // Fix all IE cloning issues
        for ( i = 0; (node = srcElements[i]) != null; ++i ) {
          // Ensure that the destination node is not null; Fixes #9587
          if ( destElements[i] ) {
            fixCloneNodeIssues( node, destElements[i] );
          }
        }
      }

      // Copy the events from the original to the clone
      if ( dataAndEvents ) {
        if ( deepDataAndEvents ) {
          srcElements = srcElements || getAll( elem );
          destElements = destElements || getAll( clone );

          for ( i = 0; (node = srcElements[i]) != null; i++ ) {
            cloneCopyEvent( node, destElements[i] );
          }
        } else {
          cloneCopyEvent( elem, clone );
        }
      }

      // Preserve script evaluation history
      destElements = getAll( clone, "script" );
      if ( destElements.length > 0 ) {
        setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
      }

      destElements = srcElements = node = null;

      // Return the cloned set
      return clone;
    },

    buildFragment: function( elems, context, scripts, selection ) {
      var j, elem, contains,
          tmp, tag, tbody, wrap,
          l = elems.length,

          // Ensure a safe fragment
          safe = createSafeFragment( context ),

          nodes = [],
          i = 0;

      for ( ; i < l; i++ ) {
        elem = elems[ i ];

        if ( elem || elem === 0 ) {

          // Add nodes directly
          if ( jQuery.type( elem ) === "object" ) {
            jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );

            // Convert non-html into a text node
          } else if ( !rhtml.test( elem ) ) {
            nodes.push( context.createTextNode( elem ) );

            // Convert html into DOM nodes
          } else {
            tmp = tmp || safe.appendChild( context.createElement("div") );

            // Deserialize a standard representation
            tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
            wrap = wrapMap[ tag ] || wrapMap._default;

            tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];

            // Descend through wrappers to the right content
            j = wrap[0];
            while ( j-- ) {
              tmp = tmp.lastChild;
            }

            // Manually add leading whitespace removed by IE
            if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
              nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
            }

            // Remove IE's autoinserted <tbody> from table fragments
            if ( !jQuery.support.tbody ) {

              // String was a <table>, *may* have spurious <tbody>
              elem = tag === "table" && !rtbody.test( elem ) ?
                  tmp.firstChild :

                  // String was a bare <thead> or <tfoot>
                  wrap[1] === "<table>" && !rtbody.test( elem ) ?
                      tmp :
                      0;

              j = elem && elem.childNodes.length;
              while ( j-- ) {
                if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
                  elem.removeChild( tbody );
                }
              }
            }

            jQuery.merge( nodes, tmp.childNodes );

            // Fix #12392 for WebKit and IE > 9
            tmp.textContent = "";

            // Fix #12392 for oldIE
            while ( tmp.firstChild ) {
              tmp.removeChild( tmp.firstChild );
            }

            // Remember the top-level container for proper cleanup
            tmp = safe.lastChild;
          }
        }
      }

      // Fix #11356: Clear elements from fragment
      if ( tmp ) {
        safe.removeChild( tmp );
      }

      // Reset defaultChecked for any radios and checkboxes
      // about to be appended to the DOM in IE 6/7 (#8060)
      if ( !jQuery.support.appendChecked ) {
        jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
      }

      i = 0;
      while ( (elem = nodes[ i++ ]) ) {

        // #4087 - If origin and destination elements are the same, and this is
        // that element, do not do anything
        if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
          continue;
        }

        contains = jQuery.contains( elem.ownerDocument, elem );

        // Append to fragment
        tmp = getAll( safe.appendChild( elem ), "script" );

        // Preserve script evaluation history
        if ( contains ) {
          setGlobalEval( tmp );
        }

        // Capture executables
        if ( scripts ) {
          j = 0;
          while ( (elem = tmp[ j++ ]) ) {
            if ( rscriptType.test( elem.type || "" ) ) {
              scripts.push( elem );
            }
          }
        }
      }

      tmp = null;

      return safe;
    },

    cleanData: function( elems, /* internal */ acceptData ) {
      var elem, type, id, data,
          i = 0,
          internalKey = jQuery.expando,
          cache = jQuery.cache,
          deleteExpando = jQuery.support.deleteExpando,
          special = jQuery.event.special;

      for ( ; (elem = elems[i]) != null; i++ ) {

        if ( acceptData || jQuery.acceptData( elem ) ) {

          id = elem[ internalKey ];
          data = id && cache[ id ];

          if ( data ) {
            if ( data.events ) {
              for ( type in data.events ) {
                if ( special[ type ] ) {
                  jQuery.event.remove( elem, type );

                  // This is a shortcut to avoid jQuery.event.remove's overhead
                } else {
                  jQuery.removeEvent( elem, type, data.handle );
                }
              }
            }

            // Remove cache only if it was not already removed by jQuery.event.remove
            if ( cache[ id ] ) {

              delete cache[ id ];

              // IE does not allow us to delete expando properties from nodes,
              // nor does it have a removeAttribute function on Document nodes;
              // we must handle all of these cases
              if ( deleteExpando ) {
                delete elem[ internalKey ];

              } else if ( typeof elem.removeAttribute !== core_strundefined ) {
                elem.removeAttribute( internalKey );

              } else {
                elem[ internalKey ] = null;
              }

              core_deletedIds.push( id );
            }
          }
        }
      }
    }
  });
  var iframe, getStyles, curCSS,
      ralpha = /alpha\([^)]*\)/i,
      ropacity = /opacity\s*=\s*([^)]*)/,
      rposition = /^(top|right|bottom|left)$/,
      // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
      // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
      rdisplayswap = /^(none|table(?!-c[ea]).+)/,
      rmargin = /^margin/,
      rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
      rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
      rrelNum = new RegExp( "^([+-])=(" + core_pnum + ")", "i" ),
      elemdisplay = { BODY: "block" },

      cssShow = { position: "absolute", visibility: "hidden", display: "block" },
      cssNormalTransform = {
        letterSpacing: 0,
        fontWeight: 400
      },

      cssExpand = [ "Top", "Right", "Bottom", "Left" ],
      cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];

// return a css property mapped to a potentially vendor prefixed property
  function vendorPropName( style, name ) {

    // shortcut for names that are not vendor prefixed
    if ( name in style ) {
      return name;
    }

    // check for vendor prefixed names
    var capName = name.charAt(0).toUpperCase() + name.slice(1),
        origName = name,
        i = cssPrefixes.length;

    while ( i-- ) {
      name = cssPrefixes[ i ] + capName;
      if ( name in style ) {
        return name;
      }
    }

    return origName;
  }

  function isHidden( elem, el ) {
    // isHidden might be called from jQuery#filter function;
    // in that case, element will be second argument
    elem = el || elem;
    return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
  }

  function showHide( elements, show ) {
    var display, elem, hidden,
        values = [],
        index = 0,
        length = elements.length;

    for ( ; index < length; index++ ) {
      elem = elements[ index ];
      if ( !elem.style ) {
        continue;
      }

      values[ index ] = jQuery._data( elem, "olddisplay" );
      display = elem.style.display;
      if ( show ) {
        // Reset the inline display of this element to learn if it is
        // being hidden by cascaded rules or not
        if ( !values[ index ] && display === "none" ) {
          elem.style.display = "";
        }

        // Set elements which have been overridden with display: none
        // in a stylesheet to whatever the default browser style is
        // for such an element
        if ( elem.style.display === "" && isHidden( elem ) ) {
          values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
        }
      } else {

        if ( !values[ index ] ) {
          hidden = isHidden( elem );

          if ( display && display !== "none" || !hidden ) {
            jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
          }
        }
      }
    }

    // Set the display of most of the elements in a second loop
    // to avoid the constant reflow
    for ( index = 0; index < length; index++ ) {
      elem = elements[ index ];
      if ( !elem.style ) {
        continue;
      }
      if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
        elem.style.display = show ? values[ index ] || "" : "none";
      }
    }

    return elements;
  }

  jQuery.fn.extend({
    css: function( name, value ) {
      return jQuery.access( this, function( elem, name, value ) {
        var len, styles,
            map = {},
            i = 0;

        if ( jQuery.isArray( name ) ) {
          styles = getStyles( elem );
          len = name.length;

          for ( ; i < len; i++ ) {
            map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
          }

          return map;
        }

        return value !== undefined ?
            jQuery.style( elem, name, value ) :
            jQuery.css( elem, name );
      }, name, value, arguments.length > 1 );
    },
    show: function() {
      return showHide( this, true );
    },
    hide: function() {
      return showHide( this );
    },
    toggle: function( state ) {
      var bool = typeof state === "boolean";

      return this.each(function() {
        if ( bool ? state : isHidden( this ) ) {
          jQuery( this ).show();
        } else {
          jQuery( this ).hide();
        }
      });
    }
  });

  jQuery.extend({
    // Add in style property hooks for overriding the default
    // behavior of getting and setting a style property
    cssHooks: {
      opacity: {
        get: function( elem, computed ) {
          if ( computed ) {
            // We should always get a number back from opacity
            var ret = curCSS( elem, "opacity" );
            return ret === "" ? "1" : ret;
          }
        }
      }
    },

    // Exclude the following css properties to add px
    cssNumber: {
      "columnCount": true,
      "fillOpacity": true,
      "fontWeight": true,
      "lineHeight": true,
      "opacity": true,
      "orphans": true,
      "widows": true,
      "zIndex": true,
      "zoom": true
    },

    // Add in properties whose names you wish to fix before
    // setting or getting the value
    cssProps: {
      // normalize float css property
      "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
    },

    // Get and set the style property on a DOM Node
    style: function( elem, name, value, extra ) {
      // Don't set styles on text and comment nodes
      if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
        return;
      }

      // Make sure that we're working with the right name
      var ret, type, hooks,
          origName = jQuery.camelCase( name ),
          style = elem.style;

      name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );

      // gets hook for the prefixed version
      // followed by the unprefixed version
      hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

      // Check if we're setting a value
      if ( value !== undefined ) {
        type = typeof value;

        // convert relative number strings (+= or -=) to relative numbers. #7345
        if ( type === "string" && (ret = rrelNum.exec( value )) ) {
          value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
          // Fixes bug #9237
          type = "number";
        }

        // Make sure that NaN and null values aren't set. See: #7116
        if ( value == null || type === "number" && isNaN( value ) ) {
          return;
        }

        // If a number was passed in, add 'px' to the (except for certain CSS properties)
        if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
          value += "px";
        }

        // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
        // but it would mean to define eight (for every problematic property) identical functions
        if ( !jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
          style[ name ] = "inherit";
        }

        // If a hook was provided, use that value, otherwise just set the specified value
        if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {

          // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
          // Fixes bug #5509
          try {
            style[ name ] = value;
          } catch(e) {}
        }

      } else {
        // If a hook was provided get the non-computed value from there
        if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
          return ret;
        }

        // Otherwise just get the value from the style object
        return style[ name ];
      }
    },

    css: function( elem, name, extra, styles ) {
      var num, val, hooks,
          origName = jQuery.camelCase( name );

      // Make sure that we're working with the right name
      name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );

      // gets hook for the prefixed version
      // followed by the unprefixed version
      hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

      // If a hook was provided get the computed value from there
      if ( hooks && "get" in hooks ) {
        val = hooks.get( elem, true, extra );
      }

      // Otherwise, if a way to get the computed value exists, use that
      if ( val === undefined ) {
        val = curCSS( elem, name, styles );
      }

      //convert "normal" to computed value
      if ( val === "normal" && name in cssNormalTransform ) {
        val = cssNormalTransform[ name ];
      }

      // Return, converting to number if forced or a qualifier was provided and val looks numeric
      if ( extra === "" || extra ) {
        num = parseFloat( val );
        return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
      }
      return val;
    },

    // A method for quickly swapping in/out CSS properties to get correct calculations
    swap: function( elem, options, callback, args ) {
      var ret, name,
          old = {};

      // Remember the old values, and insert the new ones
      for ( name in options ) {
        old[ name ] = elem.style[ name ];
        elem.style[ name ] = options[ name ];
      }

      ret = callback.apply( elem, args || [] );

      // Revert the old values
      for ( name in options ) {
        elem.style[ name ] = old[ name ];
      }

      return ret;
    }
  });

// NOTE: we've included the "window" in window.getComputedStyle
// because jsdom on node.js will break without it.
  if ( window.getComputedStyle ) {
    getStyles = function( elem ) {
      return window.getComputedStyle( elem, null );
    };

    curCSS = function( elem, name, _computed ) {
      var width, minWidth, maxWidth,
          computed = _computed || getStyles( elem ),

          // getPropertyValue is only needed for .css('filter') in IE9, see #12537
          ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined,
          style = elem.style;

      if ( computed ) {

        if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
          ret = jQuery.style( elem, name );
        }

        // A tribute to the "awesome hack by Dean Edwards"
        // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
        // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
        // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
        if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {

          // Remember the original values
          width = style.width;
          minWidth = style.minWidth;
          maxWidth = style.maxWidth;

          // Put in the new values to get a computed value out
          style.minWidth = style.maxWidth = style.width = ret;
          ret = computed.width;

          // Revert the changed values
          style.width = width;
          style.minWidth = minWidth;
          style.maxWidth = maxWidth;
        }
      }

      return ret;
    };
  } else if ( document.documentElement.currentStyle ) {
    getStyles = function( elem ) {
      return elem.currentStyle;
    };

    curCSS = function( elem, name, _computed ) {
      var left, rs, rsLeft,
          computed = _computed || getStyles( elem ),
          ret = computed ? computed[ name ] : undefined,
          style = elem.style;

      // Avoid setting ret to empty string here
      // so we don't default to auto
      if ( ret == null && style && style[ name ] ) {
        ret = style[ name ];
      }

      // From the awesome hack by Dean Edwards
      // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291

      // If we're not dealing with a regular pixel number
      // but a number that has a weird ending, we need to convert it to pixels
      // but not position css attributes, as those are proportional to the parent element instead
      // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
      if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {

        // Remember the original values
        left = style.left;
        rs = elem.runtimeStyle;
        rsLeft = rs && rs.left;

        // Put in the new values to get a computed value out
        if ( rsLeft ) {
          rs.left = elem.currentStyle.left;
        }
        style.left = name === "fontSize" ? "1em" : ret;
        ret = style.pixelLeft + "px";

        // Revert the changed values
        style.left = left;
        if ( rsLeft ) {
          rs.left = rsLeft;
        }
      }

      return ret === "" ? "auto" : ret;
    };
  }

  function setPositiveNumber( elem, value, subtract ) {
    var matches = rnumsplit.exec( value );
    return matches ?
        // Guard against undefined "subtract", e.g., when used as in cssHooks
        Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
        value;
  }

  function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
    var i = extra === ( isBorderBox ? "border" : "content" ) ?
        // If we already have the right measurement, avoid augmentation
        4 :
        // Otherwise initialize for horizontal or vertical properties
        name === "width" ? 1 : 0,

        val = 0;

    for ( ; i < 4; i += 2 ) {
      // both box models exclude margin, so add it if we want it
      if ( extra === "margin" ) {
        val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
      }

      if ( isBorderBox ) {
        // border-box includes padding, so remove it if we want content
        if ( extra === "content" ) {
          val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
        }

        // at this point, extra isn't border nor margin, so remove border
        if ( extra !== "margin" ) {
          val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
        }
      } else {
        // at this point, extra isn't content, so add padding
        val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );

        // at this point, extra isn't content nor padding, so add border
        if ( extra !== "padding" ) {
          val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
        }
      }
    }

    return val;
  }

  function getWidthOrHeight( elem, name, extra ) {

    // Start with offset property, which is equivalent to the border-box value
    var valueIsBorderBox = true,
        val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
        styles = getStyles( elem ),
        isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";

    // some non-html elements return undefined for offsetWidth, so check for null/undefined
    // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
    // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
    if ( val <= 0 || val == null ) {
      // Fall back to computed then uncomputed css if necessary
      val = curCSS( elem, name, styles );
      if ( val < 0 || val == null ) {
        val = elem.style[ name ];
      }

      // Computed unit is not pixels. Stop here and return.
      if ( rnumnonpx.test(val) ) {
        return val;
      }

      // we need the check for style in case a browser which returns unreliable values
      // for getComputedStyle silently falls back to the reliable elem.style
      valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );

      // Normalize "", auto, and prepare for extra
      val = parseFloat( val ) || 0;
    }

    // use the active box-sizing model to add/subtract irrelevant styles
    return ( val +
        augmentWidthOrHeight(
            elem,
            name,
            extra || ( isBorderBox ? "border" : "content" ),
            valueIsBorderBox,
            styles
        )
    ) + "px";
  }

// Try to determine the default display value of an element
  function css_defaultDisplay( nodeName ) {
    var doc = document,
        display = elemdisplay[ nodeName ];

    if ( !display ) {
      display = actualDisplay( nodeName, doc );

      // If the simple way fails, read from inside an iframe
      if ( display === "none" || !display ) {
        // Use the already-created iframe if possible
        iframe = ( iframe ||
            jQuery("<iframe frameborder='0' width='0' height='0'/>")
                .css( "cssText", "display:block !important" )
        ).appendTo( doc.documentElement );

        // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
        doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document;
        doc.write("<!doctype html><html><body>");
        doc.close();

        display = actualDisplay( nodeName, doc );
        iframe.detach();
      }

      // Store the correct default display
      elemdisplay[ nodeName ] = display;
    }

    return display;
  }

// Called ONLY from within css_defaultDisplay
  function actualDisplay( name, doc ) {
    var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
        display = jQuery.css( elem[0], "display" );
    elem.remove();
    return display;
  }

  jQuery.each([ "height", "width" ], function( i, name ) {
    jQuery.cssHooks[ name ] = {
      get: function( elem, computed, extra ) {
        if ( computed ) {
          // certain elements can have dimension info if we invisibly show them
          // however, it must have a current display style that would benefit from this
          return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
              jQuery.swap( elem, cssShow, function() {
                return getWidthOrHeight( elem, name, extra );
              }) :
              getWidthOrHeight( elem, name, extra );
        }
      },

      set: function( elem, value, extra ) {
        var styles = extra && getStyles( elem );
        return setPositiveNumber( elem, value, extra ?
            augmentWidthOrHeight(
                elem,
                name,
                extra,
                jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
                styles
            ) : 0
        );
      }
    };
  });

  if ( !jQuery.support.opacity ) {
    jQuery.cssHooks.opacity = {
      get: function( elem, computed ) {
        // IE uses filters for opacity
        return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
            ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
            computed ? "1" : "";
      },

      set: function( elem, value ) {
        var style = elem.style,
            currentStyle = elem.currentStyle,
            opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
            filter = currentStyle && currentStyle.filter || style.filter || "";

        // IE has trouble with opacity if it does not have layout
        // Force it by setting the zoom level
        style.zoom = 1;

        // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
        // if value === "", then remove inline opacity #12685
        if ( ( value >= 1 || value === "" ) &&
            jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
            style.removeAttribute ) {

          // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
          // if "filter:" is present at all, clearType is disabled, we want to avoid this
          // style.removeAttribute is IE Only, but so apparently is this code path...
          style.removeAttribute( "filter" );

          // if there is no filter style applied in a css rule or unset inline opacity, we are done
          if ( value === "" || currentStyle && !currentStyle.filter ) {
            return;
          }
        }

        // otherwise, set new filter values
        style.filter = ralpha.test( filter ) ?
            filter.replace( ralpha, opacity ) :
            filter + " " + opacity;
      }
    };
  }

// These hooks cannot be added until DOM ready because the support test
// for it is not run until after DOM ready
  jQuery(function() {
    if ( !jQuery.support.reliableMarginRight ) {
      jQuery.cssHooks.marginRight = {
        get: function( elem, computed ) {
          if ( computed ) {
            // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
            // Work around by temporarily setting element display to inline-block
            return jQuery.swap( elem, { "display": "inline-block" },
                curCSS, [ elem, "marginRight" ] );
          }
        }
      };
    }

    // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
    // getComputedStyle returns percent when specified for top/left/bottom/right
    // rather than make the css module depend on the offset module, we just check for it here
    if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
      jQuery.each( [ "top", "left" ], function( i, prop ) {
        jQuery.cssHooks[ prop ] = {
          get: function( elem, computed ) {
            if ( computed ) {
              computed = curCSS( elem, prop );
              // if curCSS returns percentage, fallback to offset
              return rnumnonpx.test( computed ) ?
                  jQuery( elem ).position()[ prop ] + "px" :
                  computed;
            }
          }
        };
      });
    }

  });

  if ( jQuery.expr && jQuery.expr.filters ) {
    jQuery.expr.filters.hidden = function( elem ) {
      // Support: Opera <= 12.12
      // Opera reports offsetWidths and offsetHeights less than zero on some elements
      return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
          (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
    };

    jQuery.expr.filters.visible = function( elem ) {
      return !jQuery.expr.filters.hidden( elem );
    };
  }

// These hooks are used by animate to expand properties
  jQuery.each({
    margin: "",
    padding: "",
    border: "Width"
  }, function( prefix, suffix ) {
    jQuery.cssHooks[ prefix + suffix ] = {
      expand: function( value ) {
        var i = 0,
            expanded = {},

            // assumes a single number if not a string
            parts = typeof value === "string" ? value.split(" ") : [ value ];

        for ( ; i < 4; i++ ) {
          expanded[ prefix + cssExpand[ i ] + suffix ] =
              parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
        }

        return expanded;
      }
    };

    if ( !rmargin.test( prefix ) ) {
      jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
    }
  });
  var r20 = /%20/g,
      rbracket = /\[\]$/,
      rCRLF = /\r?\n/g,
      rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
      rsubmittable = /^(?:input|select|textarea|keygen)/i;

  jQuery.fn.extend({
    serialize: function() {
      return jQuery.param( this.serializeArray() );
    },
    serializeArray: function() {
      return this.map(function(){
        // Can add propHook for "elements" to filter or add form elements
        var elements = jQuery.prop( this, "elements" );
        return elements ? jQuery.makeArray( elements ) : this;
      })
          .filter(function(){
            var type = this.type;
            // Use .is(":disabled") so that fieldset[disabled] works
            return this.name && !jQuery( this ).is( ":disabled" ) &&
                rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
                ( this.checked || !manipulation_rcheckableType.test( type ) );
          })
          .map(function( i, elem ){
            var val = jQuery( this ).val();

            return val == null ?
                null :
                jQuery.isArray( val ) ?
                    jQuery.map( val, function( val ){
                      return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
                    }) :
                    { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
          }).get();
    }
  });

//Serialize an array of form elements or a set of
//key/values into a query string
  jQuery.param = function( a, traditional ) {
    var prefix,
        s = [],
        add = function( key, value ) {
          // If value is a function, invoke it and return its value
          value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
          s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
        };

    // Set traditional to true for jQuery <= 1.3.2 behavior.
    if ( traditional === undefined ) {
      traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
    }

    // If an array was passed in, assume that it is an array of form elements.
    if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
      // Serialize the form elements
      jQuery.each( a, function() {
        add( this.name, this.value );
      });

    } else {
      // If traditional, encode the "old" way (the way 1.3.2 or older
      // did it), otherwise encode params recursively.
      for ( prefix in a ) {
        buildParams( prefix, a[ prefix ], traditional, add );
      }
    }

    // Return the resulting serialization
    return s.join( "&" ).replace( r20, "+" );
  };

  function buildParams( prefix, obj, traditional, add ) {
    var name;

    if ( jQuery.isArray( obj ) ) {
      // Serialize array item.
      jQuery.each( obj, function( i, v ) {
        if ( traditional || rbracket.test( prefix ) ) {
          // Treat each array item as a scalar.
          add( prefix, v );

        } else {
          // Item is non-scalar (array or object), encode its numeric index.
          buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
        }
      });

    } else if ( !traditional && jQuery.type( obj ) === "object" ) {
      // Serialize object item.
      for ( name in obj ) {
        buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
      }

    } else {
      // Serialize scalar item.
      add( prefix, obj );
    }
  }
  jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
      "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
      "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {

    // Handle event binding
    jQuery.fn[ name ] = function( data, fn ) {
      return arguments.length > 0 ?
          this.on( name, null, data, fn ) :
          this.trigger( name );
    };
  });

  jQuery.fn.hover = function( fnOver, fnOut ) {
    return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
  };
  var
      // Document location
      ajaxLocParts,
      ajaxLocation,
      ajax_nonce = jQuery.now(),

      ajax_rquery = /\?/,
      rhash = /#.*$/,
      rts = /([?&])_=[^&]*/,
      rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
      // #7653, #8125, #8152: local protocol detection
      rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
      rnoContent = /^(?:GET|HEAD)$/,
      rprotocol = /^\/\//,
      rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,

      // Keep a copy of the old load method
      _load = jQuery.fn.load,

      /* Prefilters
	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
	 * 2) These are called:
	 *    - BEFORE asking for a transport
	 *    - AFTER param serialization (s.data is a string if s.processData is true)
	 * 3) key is the dataType
	 * 4) the catchall symbol "*" can be used
	 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
	 */
      prefilters = {},

      /* Transports bindings
	 * 1) key is the dataType
	 * 2) the catchall symbol "*" can be used
	 * 3) selection will start with transport dataType and THEN go to "*" if needed
	 */
      transports = {},

      // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
      allTypes = "*/".concat("*");

// #8138, IE may throw an exception when accessing
// a field from window.location if document.domain has been set
  try {
    ajaxLocation = location.href;
  } catch( e ) {
    // Use the href attribute of an A element
    // since IE will modify it given document.location
    ajaxLocation = document.createElement( "a" );
    ajaxLocation.href = "";
    ajaxLocation = ajaxLocation.href;
  }

// Segment location into parts
  ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];

// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
  function addToPrefiltersOrTransports( structure ) {

    // dataTypeExpression is optional and defaults to "*"
    return function( dataTypeExpression, func ) {

      if ( typeof dataTypeExpression !== "string" ) {
        func = dataTypeExpression;
        dataTypeExpression = "*";
      }

      var dataType,
          i = 0,
          dataTypes = dataTypeExpression.toLowerCase().match( core_rnotwhite ) || [];

      if ( jQuery.isFunction( func ) ) {
        // For each dataType in the dataTypeExpression
        while ( (dataType = dataTypes[i++]) ) {
          // Prepend if requested
          if ( dataType[0] === "+" ) {
            dataType = dataType.slice( 1 ) || "*";
            (structure[ dataType ] = structure[ dataType ] || []).unshift( func );

            // Otherwise append
          } else {
            (structure[ dataType ] = structure[ dataType ] || []).push( func );
          }
        }
      }
    };
  }

// Base inspection function for prefilters and transports
  function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {

    var inspected = {},
        seekingTransport = ( structure === transports );

    function inspect( dataType ) {
      var selected;
      inspected[ dataType ] = true;
      jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
        var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
        if( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
          options.dataTypes.unshift( dataTypeOrTransport );
          inspect( dataTypeOrTransport );
          return false;
        } else if ( seekingTransport ) {
          return !( selected = dataTypeOrTransport );
        }
      });
      return selected;
    }

    return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
  }

// A special extend for ajax options
// that takes "flat" options (not to be deep extended)
// Fixes #9887
  function ajaxExtend( target, src ) {
    var deep, key,
        flatOptions = jQuery.ajaxSettings.flatOptions || {};

    for ( key in src ) {
      if ( src[ key ] !== undefined ) {
        ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
      }
    }
    if ( deep ) {
      jQuery.extend( true, target, deep );
    }

    return target;
  }

  jQuery.fn.load = function( url, params, callback ) {
    if ( typeof url !== "string" && _load ) {
      return _load.apply( this, arguments );
    }

    var selector, response, type,
        self = this,
        off = url.indexOf(" ");

    if ( off >= 0 ) {
      selector = url.slice( off, url.length );
      url = url.slice( 0, off );
    }

    // If it's a function
    if ( jQuery.isFunction( params ) ) {

      // We assume that it's the callback
      callback = params;
      params = undefined;

      // Otherwise, build a param string
    } else if ( params && typeof params === "object" ) {
      type = "POST";
    }

    // If we have elements to modify, make the request
    if ( self.length > 0 ) {
      jQuery.ajax({
        url: url,

        // if "type" variable is undefined, then "GET" method will be used
        type: type,
        dataType: "html",
        data: params
      }).done(function( responseText ) {

        // Save response for use in complete callback
        response = arguments;

        self.html( selector ?

            // If a selector was specified, locate the right elements in a dummy div
            // Exclude scripts to avoid IE 'Permission Denied' errors
            jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :

            // Otherwise use the full result
            responseText );

      }).complete( callback && function( jqXHR, status ) {
        self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
      });
    }

    return this;
  };

// Attach a bunch of functions for handling common AJAX events
  jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ){
    jQuery.fn[ type ] = function( fn ){
      return this.on( type, fn );
    };
  });

  jQuery.each( [ "get", "post" ], function( i, method ) {
    jQuery[ method ] = function( url, data, callback, type ) {
      // shift arguments if data argument was omitted
      if ( jQuery.isFunction( data ) ) {
        type = type || callback;
        callback = data;
        data = undefined;
      }

      return jQuery.ajax({
        url: url,
        type: method,
        dataType: type,
        data: data,
        success: callback
      });
    };
  });

  jQuery.extend({

    // Counter for holding the number of active queries
    active: 0,

    // Last-Modified header cache for next request
    lastModified: {},
    etag: {},

    ajaxSettings: {
      url: ajaxLocation,
      type: "GET",
      isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
      global: true,
      processData: true,
      async: true,
      contentType: "application/x-www-form-urlencoded; charset=UTF-8",
      /*
		timeout: 0,
		data: null,
		dataType: null,
		username: null,
		password: null,
		cache: null,
		throws: false,
		traditional: false,
		headers: {},
		*/

      accepts: {
        "*": allTypes,
        text: "text/plain",
        html: "text/html",
        xml: "application/xml, text/xml",
        json: "application/json, text/javascript"
      },

      contents: {
        xml: /xml/,
        html: /html/,
        json: /json/
      },

      responseFields: {
        xml: "responseXML",
        text: "responseText"
      },

      // Data converters
      // Keys separate source (or catchall "*") and destination types with a single space
      converters: {

        // Convert anything to text
        "* text": window.String,

        // Text to html (true = no transformation)
        "text html": true,

        // Evaluate text as a json expression
        "text json": jQuery.parseJSON,

        // Parse text as xml
        "text xml": jQuery.parseXML
      },

      // For options that shouldn't be deep extended:
      // you can add your own custom options here if
      // and when you create one that shouldn't be
      // deep extended (see ajaxExtend)
      flatOptions: {
        url: true,
        context: true
      }
    },

    // Creates a full fledged settings object into target
    // with both ajaxSettings and settings fields.
    // If target is omitted, writes into ajaxSettings.
    ajaxSetup: function( target, settings ) {
      return settings ?

          // Building a settings object
          ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :

          // Extending ajaxSettings
          ajaxExtend( jQuery.ajaxSettings, target );
    },

    ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
    ajaxTransport: addToPrefiltersOrTransports( transports ),

    // Main method
    ajax: function( url, options ) {

      // If url is an object, simulate pre-1.5 signature
      if ( typeof url === "object" ) {
        options = url;
        url = undefined;
      }

      // Force options to be an object
      options = options || {};

      var // Cross-domain detection vars
          parts,
          // Loop variable
          i,
          // URL without anti-cache param
          cacheURL,
          // Response headers as string
          responseHeadersString,
          // timeout handle
          timeoutTimer,

          // To know if global events are to be dispatched
          fireGlobals,

          transport,
          // Response headers
          responseHeaders,
          // Create the final options object
          s = jQuery.ajaxSetup( {}, options ),
          // Callbacks context
          callbackContext = s.context || s,
          // Context for global events is callbackContext if it is a DOM node or jQuery collection
          globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
              jQuery( callbackContext ) :
              jQuery.event,
          // Deferreds
          deferred = jQuery.Deferred(),
          completeDeferred = jQuery.Callbacks("once memory"),
          // Status-dependent callbacks
          statusCode = s.statusCode || {},
          // Headers (they are sent all at once)
          requestHeaders = {},
          requestHeadersNames = {},
          // The jqXHR state
          state = 0,
          // Default abort message
          strAbort = "canceled",
          // Fake xhr
          jqXHR = {
            readyState: 0,

            // Builds headers hashtable if needed
            getResponseHeader: function( key ) {
              var match;
              if ( state === 2 ) {
                if ( !responseHeaders ) {
                  responseHeaders = {};
                  while ( (match = rheaders.exec( responseHeadersString )) ) {
                    responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
                  }
                }
                match = responseHeaders[ key.toLowerCase() ];
              }
              return match == null ? null : match;
            },

            // Raw string
            getAllResponseHeaders: function() {
              return state === 2 ? responseHeadersString : null;
            },

            // Caches the header
            setRequestHeader: function( name, value ) {
              var lname = name.toLowerCase();
              if ( !state ) {
                name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
                requestHeaders[ name ] = value;
              }
              return this;
            },

            // Overrides response content-type header
            overrideMimeType: function( type ) {
              if ( !state ) {
                s.mimeType = type;
              }
              return this;
            },

            // Status-dependent callbacks
            statusCode: function( map ) {
              var code;
              if ( map ) {
                if ( state < 2 ) {
                  for ( code in map ) {
                    // Lazy-add the new callback in a way that preserves old ones
                    statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
                  }
                } else {
                  // Execute the appropriate callbacks
                  jqXHR.always( map[ jqXHR.status ] );
                }
              }
              return this;
            },

            // Cancel the request
            abort: function( statusText ) {
              var finalText = statusText || strAbort;
              if ( transport ) {
                transport.abort( finalText );
              }
              done( 0, finalText );
              return this;
            }
          };

      // Attach deferreds
      deferred.promise( jqXHR ).complete = completeDeferred.add;
      jqXHR.success = jqXHR.done;
      jqXHR.error = jqXHR.fail;

      // Remove hash character (#7531: and string promotion)
      // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
      // Handle falsy url in the settings object (#10093: consistency with old signature)
      // We also use the url parameter if available
      s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );

      // Alias method option to type as per ticket #12004
      s.type = options.method || options.type || s.method || s.type;

      // Extract dataTypes list
      s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( core_rnotwhite ) || [""];

      // A cross-domain request is in order when we have a protocol:host:port mismatch
      if ( s.crossDomain == null ) {
        parts = rurl.exec( s.url.toLowerCase() );
        s.crossDomain = !!( parts &&
            ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
                ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? 80 : 443 ) ) !=
                ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? 80 : 443 ) ) )
        );
      }

      // Convert data if not already a string
      if ( s.data && s.processData && typeof s.data !== "string" ) {
        s.data = jQuery.param( s.data, s.traditional );
      }

      // Apply prefilters
      inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );

      // If request was aborted inside a prefilter, stop there
      if ( state === 2 ) {
        return jqXHR;
      }

      // We can fire global events as of now if asked to
      fireGlobals = s.global;

      // Watch for a new set of requests
      if ( fireGlobals && jQuery.active++ === 0 ) {
        jQuery.event.trigger("ajaxStart");
      }

      // Uppercase the type
      s.type = s.type.toUpperCase();

      // Determine if request has content
      s.hasContent = !rnoContent.test( s.type );

      // Save the URL in case we're toying with the If-Modified-Since
      // and/or If-None-Match header later on
      cacheURL = s.url;

      // More options handling for requests with no content
      if ( !s.hasContent ) {

        // If data is available, append data to url
        if ( s.data ) {
          cacheURL = ( s.url += ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
          // #9682: remove data so that it's not used in an eventual retry
          delete s.data;
        }

        // Add anti-cache in url if needed
        if ( s.cache === false ) {
          s.url = rts.test( cacheURL ) ?

              // If there is already a '_' parameter, set its value
              cacheURL.replace( rts, "$1_=" + ajax_nonce++ ) :

              // Otherwise add one to the end
              cacheURL + ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ajax_nonce++;
        }
      }

      // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
      if ( s.ifModified ) {
        if ( jQuery.lastModified[ cacheURL ] ) {
          jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
        }
        if ( jQuery.etag[ cacheURL ] ) {
          jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
        }
      }

      // Set the correct header, if data is being sent
      if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
        jqXHR.setRequestHeader( "Content-Type", s.contentType );
      }

      // Set the Accepts header for the server, depending on the dataType
      jqXHR.setRequestHeader(
          "Accept",
          s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
              s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
              s.accepts[ "*" ]
      );

      // Check for headers option
      for ( i in s.headers ) {
        jqXHR.setRequestHeader( i, s.headers[ i ] );
      }

      // Allow custom headers/mimetypes and early abort
      if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
        // Abort if not done already and return
        return jqXHR.abort();
      }

      // aborting is no longer a cancellation
      strAbort = "abort";

      // Install callbacks on deferreds
      for ( i in { success: 1, error: 1, complete: 1 } ) {
        jqXHR[ i ]( s[ i ] );
      }

      // Get transport
      transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );

      // If no transport, we auto-abort
      if ( !transport ) {
        done( -1, "No Transport" );
      } else {
        jqXHR.readyState = 1;

        // Send global event
        if ( fireGlobals ) {
          globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
        }
        // Timeout
        if ( s.async && s.timeout > 0 ) {
          timeoutTimer = setTimeout(function() {
            jqXHR.abort("timeout");
          }, s.timeout );
        }

        try {
          state = 1;
          transport.send( requestHeaders, done );
        } catch ( e ) {
          // Propagate exception as error if not done
          if ( state < 2 ) {
            done( -1, e );
            // Simply rethrow otherwise
          } else {
            throw e;
          }
        }
      }

      // Callback for when everything is done
      function done( status, nativeStatusText, responses, headers ) {
        var isSuccess, success, error, response, modified,
            statusText = nativeStatusText;

        // Called once
        if ( state === 2 ) {
          return;
        }

        // State is "done" now
        state = 2;

        // Clear timeout if it exists
        if ( timeoutTimer ) {
          clearTimeout( timeoutTimer );
        }

        // Dereference transport for early garbage collection
        // (no matter how long the jqXHR object will be used)
        transport = undefined;

        // Cache response headers
        responseHeadersString = headers || "";

        // Set readyState
        jqXHR.readyState = status > 0 ? 4 : 0;

        // Get response data
        if ( responses ) {
          response = ajaxHandleResponses( s, jqXHR, responses );
        }

        // If successful, handle type chaining
        if ( status >= 200 && status < 300 || status === 304 ) {

          // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
          if ( s.ifModified ) {
            modified = jqXHR.getResponseHeader("Last-Modified");
            if ( modified ) {
              jQuery.lastModified[ cacheURL ] = modified;
            }
            modified = jqXHR.getResponseHeader("etag");
            if ( modified ) {
              jQuery.etag[ cacheURL ] = modified;
            }
          }

          // if no content
          if ( status === 204 ) {
            isSuccess = true;
            statusText = "nocontent";

            // if not modified
          } else if ( status === 304 ) {
            isSuccess = true;
            statusText = "notmodified";

            // If we have data, let's convert it
          } else {
            isSuccess = ajaxConvert( s, response );
            statusText = isSuccess.state;
            success = isSuccess.data;
            error = isSuccess.error;
            isSuccess = !error;
          }
        } else {
          // We extract error from statusText
          // then normalize statusText and status for non-aborts
          error = statusText;
          if ( status || !statusText ) {
            statusText = "error";
            if ( status < 0 ) {
              status = 0;
            }
          }
        }

        // Set data for the fake xhr object
        jqXHR.status = status;
        jqXHR.statusText = ( nativeStatusText || statusText ) + "";

        // Success/Error
        if ( isSuccess ) {
          deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
        } else {
          deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
        }

        // Status-dependent callbacks
        jqXHR.statusCode( statusCode );
        statusCode = undefined;

        if ( fireGlobals ) {
          globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
              [ jqXHR, s, isSuccess ? success : error ] );
        }

        // Complete
        completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );

        if ( fireGlobals ) {
          globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
          // Handle the global AJAX counter
          if ( !( --jQuery.active ) ) {
            jQuery.event.trigger("ajaxStop");
          }
        }
      }

      return jqXHR;
    },

    getScript: function( url, callback ) {
      return jQuery.get( url, undefined, callback, "script" );
    },

    getJSON: function( url, data, callback ) {
      return jQuery.get( url, data, callback, "json" );
    }
  });

  /* Handles responses to an ajax request:
 * - sets all responseXXX fields accordingly
 * - finds the right dataType (mediates between content-type and expected dataType)
 * - returns the corresponding response
 */
  function ajaxHandleResponses( s, jqXHR, responses ) {
    var firstDataType, ct, finalDataType, type,
        contents = s.contents,
        dataTypes = s.dataTypes,
        responseFields = s.responseFields;

    // Fill responseXXX fields
    for ( type in responseFields ) {
      if ( type in responses ) {
        jqXHR[ responseFields[type] ] = responses[ type ];
      }
    }

    // Remove auto dataType and get content-type in the process
    while( dataTypes[ 0 ] === "*" ) {
      dataTypes.shift();
      if ( ct === undefined ) {
        ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
      }
    }

    // Check if we're dealing with a known content-type
    if ( ct ) {
      for ( type in contents ) {
        if ( contents[ type ] && contents[ type ].test( ct ) ) {
          dataTypes.unshift( type );
          break;
        }
      }
    }

    // Check to see if we have a response for the expected dataType
    if ( dataTypes[ 0 ] in responses ) {
      finalDataType = dataTypes[ 0 ];
    } else {
      // Try convertible dataTypes
      for ( type in responses ) {
        if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
          finalDataType = type;
          break;
        }
        if ( !firstDataType ) {
          firstDataType = type;
        }
      }
      // Or just use first one
      finalDataType = finalDataType || firstDataType;
    }

    // If we found a dataType
    // We add the dataType to the list if needed
    // and return the corresponding response
    if ( finalDataType ) {
      if ( finalDataType !== dataTypes[ 0 ] ) {
        dataTypes.unshift( finalDataType );
      }
      return responses[ finalDataType ];
    }
  }

// Chain conversions given the request and the original response
  function ajaxConvert( s, response ) {
    var conv2, current, conv, tmp,
        converters = {},
        i = 0,
        // Work with a copy of dataTypes in case we need to modify it for conversion
        dataTypes = s.dataTypes.slice(),
        prev = dataTypes[ 0 ];

    // Apply the dataFilter if provided
    if ( s.dataFilter ) {
      response = s.dataFilter( response, s.dataType );
    }

    // Create converters map with lowercased keys
    if ( dataTypes[ 1 ] ) {
      for ( conv in s.converters ) {
        converters[ conv.toLowerCase() ] = s.converters[ conv ];
      }
    }

    // Convert to each sequential dataType, tolerating list modification
    for ( ; (current = dataTypes[++i]); ) {

      // There's only work to do if current dataType is non-auto
      if ( current !== "*" ) {

        // Convert response if prev dataType is non-auto and differs from current
        if ( prev !== "*" && prev !== current ) {

          // Seek a direct converter
          conv = converters[ prev + " " + current ] || converters[ "* " + current ];

          // If none found, seek a pair
          if ( !conv ) {
            for ( conv2 in converters ) {

              // If conv2 outputs current
              tmp = conv2.split(" ");
              if ( tmp[ 1 ] === current ) {

                // If prev can be converted to accepted input
                conv = converters[ prev + " " + tmp[ 0 ] ] ||
                    converters[ "* " + tmp[ 0 ] ];
                if ( conv ) {
                  // Condense equivalence converters
                  if ( conv === true ) {
                    conv = converters[ conv2 ];

                    // Otherwise, insert the intermediate dataType
                  } else if ( converters[ conv2 ] !== true ) {
                    current = tmp[ 0 ];
                    dataTypes.splice( i--, 0, current );
                  }

                  break;
                }
              }
            }
          }

          // Apply converter (if not an equivalence)
          if ( conv !== true ) {

            // Unless errors are allowed to bubble, catch and return them
            if ( conv && s["throws"] ) {
              response = conv( response );
            } else {
              try {
                response = conv( response );
              } catch ( e ) {
                return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
              }
            }
          }
        }

        // Update prev for next iteration
        prev = current;
      }
    }

    return { state: "success", data: response };
  }
// Install script dataType
  jQuery.ajaxSetup({
    accepts: {
      script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
    },
    contents: {
      script: /(?:java|ecma)script/
    },
    converters: {
      "text script": function( text ) {
        jQuery.globalEval( text );
        return text;
      }
    }
  });

// Handle cache's special case and global
  jQuery.ajaxPrefilter( "script", function( s ) {
    if ( s.cache === undefined ) {
      s.cache = false;
    }
    if ( s.crossDomain ) {
      s.type = "GET";
      s.global = false;
    }
  });

// Bind script tag hack transport
  jQuery.ajaxTransport( "script", function(s) {

    // This transport only deals with cross domain requests
    if ( s.crossDomain ) {

      var script,
          head = document.head || jQuery("head")[0] || document.documentElement;

      return {

        send: function( _, callback ) {

          script = document.createElement("script");

          script.async = true;

          if ( s.scriptCharset ) {
            script.charset = s.scriptCharset;
          }

          script.src = s.url;

          // Attach handlers for all browsers
          script.onload = script.onreadystatechange = function( _, isAbort ) {

            if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {

              // Handle memory leak in IE
              script.onload = script.onreadystatechange = null;

              // Remove the script
              if ( script.parentNode ) {
                script.parentNode.removeChild( script );
              }

              // Dereference the script
              script = null;

              // Callback if not abort
              if ( !isAbort ) {
                callback( 200, "success" );
              }
            }
          };

          // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
          // Use native DOM manipulation to avoid our domManip AJAX trickery
          head.insertBefore( script, head.firstChild );
        },

        abort: function() {
          if ( script ) {
            script.onload( undefined, true );
          }
        }
      };
    }
  });
  var oldCallbacks = [],
      rjsonp = /(=)\?(?=&|$)|\?\?/;

// Default jsonp settings
  jQuery.ajaxSetup({
    jsonp: "callback",
    jsonpCallback: function() {
      var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( ajax_nonce++ ) );
      this[ callback ] = true;
      return callback;
    }
  });

// Detect, normalize options and install callbacks for jsonp requests
  jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {

    var callbackName, overwritten, responseContainer,
        jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
                "url" :
                typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
        );

    // Handle iff the expected data type is "jsonp" or we have a parameter to set
    if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {

      // Get callback name, remembering preexisting value associated with it
      callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
          s.jsonpCallback() :
          s.jsonpCallback;

      // Insert callback into url or form data
      if ( jsonProp ) {
        s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
      } else if ( s.jsonp !== false ) {
        s.url += ( ajax_rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
      }

      // Use data converter to retrieve json after script execution
      s.converters["script json"] = function() {
        if ( !responseContainer ) {
          jQuery.error( callbackName + " was not called" );
        }
        return responseContainer[ 0 ];
      };

      // force json dataType
      s.dataTypes[ 0 ] = "json";

      // Install callback
      overwritten = window[ callbackName ];
      window[ callbackName ] = function() {
        responseContainer = arguments;
      };

      // Clean-up function (fires after converters)
      jqXHR.always(function() {
        // Restore preexisting value
        window[ callbackName ] = overwritten;

        // Save back as free
        if ( s[ callbackName ] ) {
          // make sure that re-using the options doesn't screw things around
          s.jsonpCallback = originalSettings.jsonpCallback;

          // save the callback name for future use
          oldCallbacks.push( callbackName );
        }

        // Call if it was a function and we have a response
        if ( responseContainer && jQuery.isFunction( overwritten ) ) {
          overwritten( responseContainer[ 0 ] );
        }

        responseContainer = overwritten = undefined;
      });

      // Delegate to script
      return "script";
    }
  });
  var xhrCallbacks, xhrSupported,
      xhrId = 0,
      // #5280: Internet Explorer will keep connections alive if we don't abort on unload
      xhrOnUnloadAbort = window.ActiveXObject && function() {
        // Abort all pending requests
        var key;
        for ( key in xhrCallbacks ) {
          xhrCallbacks[ key ]( undefined, true );
        }
      };

// Functions to create xhrs
  function createStandardXHR() {
    try {
      return new window.XMLHttpRequest();
    } catch( e ) {}
  }

  function createActiveXHR() {
    try {
      return new window.ActiveXObject("Microsoft.XMLHTTP");
    } catch( e ) {}
  }

// Create the request object
// (This is still attached to ajaxSettings for backward compatibility)
  jQuery.ajaxSettings.xhr = window.ActiveXObject ?
      /* Microsoft failed to properly
	 * implement the XMLHttpRequest in IE7 (can't request local files),
	 * so we use the ActiveXObject when it is available
	 * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
	 * we need a fallback.
	 */
      function() {
        return !this.isLocal && createStandardXHR() || createActiveXHR();
      } :
      // For all other browsers, use the standard XMLHttpRequest object
      createStandardXHR;

// Determine support properties
  xhrSupported = jQuery.ajaxSettings.xhr();
  jQuery.support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
  xhrSupported = jQuery.support.ajax = !!xhrSupported;

// Create transport if the browser can provide an xhr
  if ( xhrSupported ) {

    jQuery.ajaxTransport(function( s ) {
      // Cross domain only allowed if supported through XMLHttpRequest
      if ( !s.crossDomain || jQuery.support.cors ) {

        var callback;

        return {
          send: function( headers, complete ) {

            // Get a new xhr
            var handle, i,
                xhr = s.xhr();

            // Open the socket
            // Passing null username, generates a login popup on Opera (#2865)
            if ( s.username ) {
              xhr.open( s.type, s.url, s.async, s.username, s.password );
            } else {
              xhr.open( s.type, s.url, s.async );
            }

            // Apply custom fields if provided
            if ( s.xhrFields ) {
              for ( i in s.xhrFields ) {
                xhr[ i ] = s.xhrFields[ i ];
              }
            }

            // Override mime type if needed
            if ( s.mimeType && xhr.overrideMimeType ) {
              xhr.overrideMimeType( s.mimeType );
            }

            // X-Requested-With header
            // For cross-domain requests, seeing as conditions for a preflight are
            // akin to a jigsaw puzzle, we simply never set it to be sure.
            // (it can always be set on a per-request basis or even using ajaxSetup)
            // For same-domain requests, won't change header if already provided.
            if ( !s.crossDomain && !headers["X-Requested-With"] ) {
              headers["X-Requested-With"] = "XMLHttpRequest";
            }

            // Need an extra try/catch for cross domain requests in Firefox 3
            try {
              for ( i in headers ) {
                xhr.setRequestHeader( i, headers[ i ] );
              }
            } catch( err ) {}

            // Do send the request
            // This may raise an exception which is actually
            // handled in jQuery.ajax (so no try/catch here)
            xhr.send( ( s.hasContent && s.data ) || null );

            // Listener
            callback = function( _, isAbort ) {
              var status, responseHeaders, statusText, responses;

              // Firefox throws exceptions when accessing properties
              // of an xhr when a network error occurred
              // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
              try {

                // Was never called and is aborted or complete
                if ( callback && ( isAbort || xhr.readyState === 4 ) ) {

                  // Only called once
                  callback = undefined;

                  // Do not keep as active anymore
                  if ( handle ) {
                    xhr.onreadystatechange = jQuery.noop;
                    if ( xhrOnUnloadAbort ) {
                      delete xhrCallbacks[ handle ];
                    }
                  }

                  // If it's an abort
                  if ( isAbort ) {
                    // Abort it manually if needed
                    if ( xhr.readyState !== 4 ) {
                      xhr.abort();
                    }
                  } else {
                    responses = {};
                    status = xhr.status;
                    responseHeaders = xhr.getAllResponseHeaders();

                    // When requesting binary data, IE6-9 will throw an exception
                    // on any attempt to access responseText (#11426)
                    if ( typeof xhr.responseText === "string" ) {
                      responses.text = xhr.responseText;
                    }

                    // Firefox throws an exception when accessing
                    // statusText for faulty cross-domain requests
                    try {
                      statusText = xhr.statusText;
                    } catch( e ) {
                      // We normalize with Webkit giving an empty statusText
                      statusText = "";
                    }

                    // Filter status for non standard behaviors

                    // If the request is local and we have data: assume a success
                    // (success with no data won't get notified, that's the best we
                    // can do given current implementations)
                    if ( !status && s.isLocal && !s.crossDomain ) {
                      status = responses.text ? 200 : 404;
                      // IE - #1450: sometimes returns 1223 when it should be 204
                    } else if ( status === 1223 ) {
                      status = 204;
                    }
                  }
                }
              } catch( firefoxAccessException ) {
                if ( !isAbort ) {
                  complete( -1, firefoxAccessException );
                }
              }

              // Call complete if needed
              if ( responses ) {
                complete( status, statusText, responses, responseHeaders );
              }
            };

            if ( !s.async ) {
              // if we're in sync mode we fire the callback
              callback();
            } else if ( xhr.readyState === 4 ) {
              // (IE6 & IE7) if it's in cache and has been
              // retrieved directly we need to fire the callback
              setTimeout( callback );
            } else {
              handle = ++xhrId;
              if ( xhrOnUnloadAbort ) {
                // Create the active xhrs callbacks list if needed
                // and attach the unload handler
                if ( !xhrCallbacks ) {
                  xhrCallbacks = {};
                  jQuery( window ).unload( xhrOnUnloadAbort );
                }
                // Add to list of active xhrs callbacks
                xhrCallbacks[ handle ] = callback;
              }
              xhr.onreadystatechange = callback;
            }
          },

          abort: function() {
            if ( callback ) {
              callback( undefined, true );
            }
          }
        };
      }
    });
  }
  var fxNow, timerId,
      rfxtypes = /^(?:toggle|show|hide)$/,
      rfxnum = new RegExp( "^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
      rrun = /queueHooks$/,
      animationPrefilters = [ defaultPrefilter ],
      tweeners = {
        "*": [function( prop, value ) {
          var end, unit,
              tween = this.createTween( prop, value ),
              parts = rfxnum.exec( value ),
              target = tween.cur(),
              start = +target || 0,
              scale = 1,
              maxIterations = 20;

          if ( parts ) {
            end = +parts[2];
            unit = parts[3] || ( jQuery.cssNumber[ prop ] ? "" : "px" );

            // We need to compute starting value
            if ( unit !== "px" && start ) {
              // Iteratively approximate from a nonzero starting point
              // Prefer the current property, because this process will be trivial if it uses the same units
              // Fallback to end or a simple constant
              start = jQuery.css( tween.elem, prop, true ) || end || 1;

              do {
                // If previous iteration zeroed out, double until we get *something*
                // Use a string for doubling factor so we don't accidentally see scale as unchanged below
                scale = scale || ".5";

                // Adjust and apply
                start = start / scale;
                jQuery.style( tween.elem, prop, start + unit );

                // Update scale, tolerating zero or NaN from tween.cur()
                // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
              } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
            }

            tween.unit = unit;
            tween.start = start;
            // If a +=/-= token was provided, we're doing a relative animation
            tween.end = parts[1] ? start + ( parts[1] + 1 ) * end : end;
          }
          return tween;
        }]
      };

// Animations created synchronously will run synchronously
  function createFxNow() {
    setTimeout(function() {
      fxNow = undefined;
    });
    return ( fxNow = jQuery.now() );
  }

  function createTweens( animation, props ) {
    jQuery.each( props, function( prop, value ) {
      var collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
          index = 0,
          length = collection.length;
      for ( ; index < length; index++ ) {
        if ( collection[ index ].call( animation, prop, value ) ) {

          // we're done with this property
          return;
        }
      }
    });
  }

  function Animation( elem, properties, options ) {
    var result,
        stopped,
        index = 0,
        length = animationPrefilters.length,
        deferred = jQuery.Deferred().always( function() {
          // don't match elem in the :animated selector
          delete tick.elem;
        }),
        tick = function() {
          if ( stopped ) {
            return false;
          }
          var currentTime = fxNow || createFxNow(),
              remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
              // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
              temp = remaining / animation.duration || 0,
              percent = 1 - temp,
              index = 0,
              length = animation.tweens.length;

          for ( ; index < length ; index++ ) {
            animation.tweens[ index ].run( percent );
          }

          deferred.notifyWith( elem, [ animation, percent, remaining ]);

          if ( percent < 1 && length ) {
            return remaining;
          } else {
            deferred.resolveWith( elem, [ animation ] );
            return false;
          }
        },
        animation = deferred.promise({
          elem: elem,
          props: jQuery.extend( {}, properties ),
          opts: jQuery.extend( true, { specialEasing: {} }, options ),
          originalProperties: properties,
          originalOptions: options,
          startTime: fxNow || createFxNow(),
          duration: options.duration,
          tweens: [],
          createTween: function( prop, end ) {
            var tween = jQuery.Tween( elem, animation.opts, prop, end,
                animation.opts.specialEasing[ prop ] || animation.opts.easing );
            animation.tweens.push( tween );
            return tween;
          },
          stop: function( gotoEnd ) {
            var index = 0,
                // if we are going to the end, we want to run all the tweens
                // otherwise we skip this part
                length = gotoEnd ? animation.tweens.length : 0;
            if ( stopped ) {
              return this;
            }
            stopped = true;
            for ( ; index < length ; index++ ) {
              animation.tweens[ index ].run( 1 );
            }

            // resolve when we played the last frame
            // otherwise, reject
            if ( gotoEnd ) {
              deferred.resolveWith( elem, [ animation, gotoEnd ] );
            } else {
              deferred.rejectWith( elem, [ animation, gotoEnd ] );
            }
            return this;
          }
        }),
        props = animation.props;

    propFilter( props, animation.opts.specialEasing );

    for ( ; index < length ; index++ ) {
      result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
      if ( result ) {
        return result;
      }
    }

    createTweens( animation, props );

    if ( jQuery.isFunction( animation.opts.start ) ) {
      animation.opts.start.call( elem, animation );
    }

    jQuery.fx.timer(
        jQuery.extend( tick, {
          elem: elem,
          anim: animation,
          queue: animation.opts.queue
        })
    );

    // attach callbacks from options
    return animation.progress( animation.opts.progress )
        .done( animation.opts.done, animation.opts.complete )
        .fail( animation.opts.fail )
        .always( animation.opts.always );
  }

  function propFilter( props, specialEasing ) {
    var value, name, index, easing, hooks;

    // camelCase, specialEasing and expand cssHook pass
    for ( index in props ) {
      name = jQuery.camelCase( index );
      easing = specialEasing[ name ];
      value = props[ index ];
      if ( jQuery.isArray( value ) ) {
        easing = value[ 1 ];
        value = props[ index ] = value[ 0 ];
      }

      if ( index !== name ) {
        props[ name ] = value;
        delete props[ index ];
      }

      hooks = jQuery.cssHooks[ name ];
      if ( hooks && "expand" in hooks ) {
        value = hooks.expand( value );
        delete props[ name ];

        // not quite $.extend, this wont overwrite keys already present.
        // also - reusing 'index' from above because we have the correct "name"
        for ( index in value ) {
          if ( !( index in props ) ) {
            props[ index ] = value[ index ];
            specialEasing[ index ] = easing;
          }
        }
      } else {
        specialEasing[ name ] = easing;
      }
    }
  }

  jQuery.Animation = jQuery.extend( Animation, {

    tweener: function( props, callback ) {
      if ( jQuery.isFunction( props ) ) {
        callback = props;
        props = [ "*" ];
      } else {
        props = props.split(" ");
      }

      var prop,
          index = 0,
          length = props.length;

      for ( ; index < length ; index++ ) {
        prop = props[ index ];
        tweeners[ prop ] = tweeners[ prop ] || [];
        tweeners[ prop ].unshift( callback );
      }
    },

    prefilter: function( callback, prepend ) {
      if ( prepend ) {
        animationPrefilters.unshift( callback );
      } else {
        animationPrefilters.push( callback );
      }
    }
  });

  function defaultPrefilter( elem, props, opts ) {
    /*jshint validthis:true */
    var prop, index, length,
        value, dataShow, toggle,
        tween, hooks, oldfire,
        anim = this,
        style = elem.style,
        orig = {},
        handled = [],
        hidden = elem.nodeType && isHidden( elem );

    // handle queue: false promises
    if ( !opts.queue ) {
      hooks = jQuery._queueHooks( elem, "fx" );
      if ( hooks.unqueued == null ) {
        hooks.unqueued = 0;
        oldfire = hooks.empty.fire;
        hooks.empty.fire = function() {
          if ( !hooks.unqueued ) {
            oldfire();
          }
        };
      }
      hooks.unqueued++;

      anim.always(function() {
        // doing this makes sure that the complete handler will be called
        // before this completes
        anim.always(function() {
          hooks.unqueued--;
          if ( !jQuery.queue( elem, "fx" ).length ) {
            hooks.empty.fire();
          }
        });
      });
    }

    // height/width overflow pass
    if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
      // Make sure that nothing sneaks out
      // Record all 3 overflow attributes because IE does not
      // change the overflow attribute when overflowX and
      // overflowY are set to the same value
      opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];

      // Set display property to inline-block for height/width
      // animations on inline elements that are having width/height animated
      if ( jQuery.css( elem, "display" ) === "inline" &&
          jQuery.css( elem, "float" ) === "none" ) {

        // inline-level elements accept inline-block;
        // block-level elements need to be inline with layout
        if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
          style.display = "inline-block";

        } else {
          style.zoom = 1;
        }
      }
    }

    if ( opts.overflow ) {
      style.overflow = "hidden";
      if ( !jQuery.support.shrinkWrapBlocks ) {
        anim.always(function() {
          style.overflow = opts.overflow[ 0 ];
          style.overflowX = opts.overflow[ 1 ];
          style.overflowY = opts.overflow[ 2 ];
        });
      }
    }


    // show/hide pass
    for ( index in props ) {
      value = props[ index ];
      if ( rfxtypes.exec( value ) ) {
        delete props[ index ];
        toggle = toggle || value === "toggle";
        if ( value === ( hidden ? "hide" : "show" ) ) {
          continue;
        }
        handled.push( index );
      }
    }

    length = handled.length;
    if ( length ) {
      dataShow = jQuery._data( elem, "fxshow" ) || jQuery._data( elem, "fxshow", {} );
      if ( "hidden" in dataShow ) {
        hidden = dataShow.hidden;
      }

      // store state if its toggle - enables .stop().toggle() to "reverse"
      if ( toggle ) {
        dataShow.hidden = !hidden;
      }
      if ( hidden ) {
        jQuery( elem ).show();
      } else {
        anim.done(function() {
          jQuery( elem ).hide();
        });
      }
      anim.done(function() {
        var prop;
        jQuery._removeData( elem, "fxshow" );
        for ( prop in orig ) {
          jQuery.style( elem, prop, orig[ prop ] );
        }
      });
      for ( index = 0 ; index < length ; index++ ) {
        prop = handled[ index ];
        tween = anim.createTween( prop, hidden ? dataShow[ prop ] : 0 );
        orig[ prop ] = dataShow[ prop ] || jQuery.style( elem, prop );

        if ( !( prop in dataShow ) ) {
          dataShow[ prop ] = tween.start;
          if ( hidden ) {
            tween.end = tween.start;
            tween.start = prop === "width" || prop === "height" ? 1 : 0;
          }
        }
      }
    }
  }

  function Tween( elem, options, prop, end, easing ) {
    return new Tween.prototype.init( elem, options, prop, end, easing );
  }
  jQuery.Tween = Tween;

  Tween.prototype = {
    constructor: Tween,
    init: function( elem, options, prop, end, easing, unit ) {
      this.elem = elem;
      this.prop = prop;
      this.easing = easing || "swing";
      this.options = options;
      this.start = this.now = this.cur();
      this.end = end;
      this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
    },
    cur: function() {
      var hooks = Tween.propHooks[ this.prop ];

      return hooks && hooks.get ?
          hooks.get( this ) :
          Tween.propHooks._default.get( this );
    },
    run: function( percent ) {
      var eased,
          hooks = Tween.propHooks[ this.prop ];

      if ( this.options.duration ) {
        this.pos = eased = jQuery.easing[ this.easing ](
            percent, this.options.duration * percent, 0, 1, this.options.duration
        );
      } else {
        this.pos = eased = percent;
      }
      this.now = ( this.end - this.start ) * eased + this.start;

      if ( this.options.step ) {
        this.options.step.call( this.elem, this.now, this );
      }

      if ( hooks && hooks.set ) {
        hooks.set( this );
      } else {
        Tween.propHooks._default.set( this );
      }
      return this;
    }
  };

  Tween.prototype.init.prototype = Tween.prototype;

  Tween.propHooks = {
    _default: {
      get: function( tween ) {
        var result;

        if ( tween.elem[ tween.prop ] != null &&
            (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
          return tween.elem[ tween.prop ];
        }

        // passing an empty string as a 3rd parameter to .css will automatically
        // attempt a parseFloat and fallback to a string if the parse fails
        // so, simple values such as "10px" are parsed to Float.
        // complex values such as "rotate(1rad)" are returned as is.
        result = jQuery.css( tween.elem, tween.prop, "" );
        // Empty strings, null, undefined and "auto" are converted to 0.
        return !result || result === "auto" ? 0 : result;
      },
      set: function( tween ) {
        // use step hook for back compat - use cssHook if its there - use .style if its
        // available and use plain properties where available
        if ( jQuery.fx.step[ tween.prop ] ) {
          jQuery.fx.step[ tween.prop ]( tween );
        } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
          jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
        } else {
          tween.elem[ tween.prop ] = tween.now;
        }
      }
    }
  };

// Remove in 2.0 - this supports IE8's panic based approach
// to setting things on disconnected nodes

  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
    set: function( tween ) {
      if ( tween.elem.nodeType && tween.elem.parentNode ) {
        tween.elem[ tween.prop ] = tween.now;
      }
    }
  };

  jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
    var cssFn = jQuery.fn[ name ];
    jQuery.fn[ name ] = function( speed, easing, callback ) {
      return speed == null || typeof speed === "boolean" ?
          cssFn.apply( this, arguments ) :
          this.animate( genFx( name, true ), speed, easing, callback );
    };
  });

  jQuery.fn.extend({
    fadeTo: function( speed, to, easing, callback ) {

      // show any hidden elements after setting opacity to 0
      return this.filter( isHidden ).css( "opacity", 0 ).show()

      // animate to the value specified
          .end().animate({ opacity: to }, speed, easing, callback );
    },
    animate: function( prop, speed, easing, callback ) {
      var empty = jQuery.isEmptyObject( prop ),
          optall = jQuery.speed( speed, easing, callback ),
          doAnimation = function() {
            // Operate on a copy of prop so per-property easing won't be lost
            var anim = Animation( this, jQuery.extend( {}, prop ), optall );
            doAnimation.finish = function() {
              anim.stop( true );
            };
            // Empty animations, or finishing resolves immediately
            if ( empty || jQuery._data( this, "finish" ) ) {
              anim.stop( true );
            }
          };
      doAnimation.finish = doAnimation;

      return empty || optall.queue === false ?
          this.each( doAnimation ) :
          this.queue( optall.queue, doAnimation );
    },
    stop: function( type, clearQueue, gotoEnd ) {
      var stopQueue = function( hooks ) {
        var stop = hooks.stop;
        delete hooks.stop;
        stop( gotoEnd );
      };

      if ( typeof type !== "string" ) {
        gotoEnd = clearQueue;
        clearQueue = type;
        type = undefined;
      }
      if ( clearQueue && type !== false ) {
        this.queue( type || "fx", [] );
      }

      return this.each(function() {
        var dequeue = true,
            index = type != null && type + "queueHooks",
            timers = jQuery.timers,
            data = jQuery._data( this );

        if ( index ) {
          if ( data[ index ] && data[ index ].stop ) {
            stopQueue( data[ index ] );
          }
        } else {
          for ( index in data ) {
            if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
              stopQueue( data[ index ] );
            }
          }
        }

        for ( index = timers.length; index--; ) {
          if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
            timers[ index ].anim.stop( gotoEnd );
            dequeue = false;
            timers.splice( index, 1 );
          }
        }

        // start the next in the queue if the last step wasn't forced
        // timers currently will call their complete callbacks, which will dequeue
        // but only if they were gotoEnd
        if ( dequeue || !gotoEnd ) {
          jQuery.dequeue( this, type );
        }
      });
    },
    finish: function( type ) {
      if ( type !== false ) {
        type = type || "fx";
      }
      return this.each(function() {
        var index,
            data = jQuery._data( this ),
            queue = data[ type + "queue" ],
            hooks = data[ type + "queueHooks" ],
            timers = jQuery.timers,
            length = queue ? queue.length : 0;

        // enable finishing flag on private data
        data.finish = true;

        // empty the queue first
        jQuery.queue( this, type, [] );

        if ( hooks && hooks.cur && hooks.cur.finish ) {
          hooks.cur.finish.call( this );
        }

        // look for any active animations, and finish them
        for ( index = timers.length; index--; ) {
          if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
            timers[ index ].anim.stop( true );
            timers.splice( index, 1 );
          }
        }

        // look for any animations in the old queue and finish them
        for ( index = 0; index < length; index++ ) {
          if ( queue[ index ] && queue[ index ].finish ) {
            queue[ index ].finish.call( this );
          }
        }

        // turn off finishing flag
        delete data.finish;
      });
    }
  });

// Generate parameters to create a standard animation
  function genFx( type, includeWidth ) {
    var which,
        attrs = { height: type },
        i = 0;

    // if we include width, step value is 1 to do all cssExpand values,
    // if we don't include width, step value is 2 to skip over Left and Right
    includeWidth = includeWidth? 1 : 0;
    for( ; i < 4 ; i += 2 - includeWidth ) {
      which = cssExpand[ i ];
      attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
    }

    if ( includeWidth ) {
      attrs.opacity = attrs.width = type;
    }

    return attrs;
  }

// Generate shortcuts for custom animations
  jQuery.each({
    slideDown: genFx("show"),
    slideUp: genFx("hide"),
    slideToggle: genFx("toggle"),
    fadeIn: { opacity: "show" },
    fadeOut: { opacity: "hide" },
    fadeToggle: { opacity: "toggle" }
  }, function( name, props ) {
    jQuery.fn[ name ] = function( speed, easing, callback ) {
      return this.animate( props, speed, easing, callback );
    };
  });

  jQuery.speed = function( speed, easing, fn ) {
    var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
      complete: fn || !fn && easing ||
          jQuery.isFunction( speed ) && speed,
      duration: speed,
      easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
    };

    opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
        opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;

    // normalize opt.queue - true/undefined/null -> "fx"
    if ( opt.queue == null || opt.queue === true ) {
      opt.queue = "fx";
    }

    // Queueing
    opt.old = opt.complete;

    opt.complete = function() {
      if ( jQuery.isFunction( opt.old ) ) {
        opt.old.call( this );
      }

      if ( opt.queue ) {
        jQuery.dequeue( this, opt.queue );
      }
    };

    return opt;
  };

  jQuery.easing = {
    linear: function( p ) {
      return p;
    },
    swing: function( p ) {
      return 0.5 - Math.cos( p*Math.PI ) / 2;
    }
  };

  jQuery.timers = [];
  jQuery.fx = Tween.prototype.init;
  jQuery.fx.tick = function() {
    var timer,
        timers = jQuery.timers,
        i = 0;

    fxNow = jQuery.now();

    for ( ; i < timers.length; i++ ) {
      timer = timers[ i ];
      // Checks the timer has not already been removed
      if ( !timer() && timers[ i ] === timer ) {
        timers.splice( i--, 1 );
      }
    }

    if ( !timers.length ) {
      jQuery.fx.stop();
    }
    fxNow = undefined;
  };

  jQuery.fx.timer = function( timer ) {
    if ( timer() && jQuery.timers.push( timer ) ) {
      jQuery.fx.start();
    }
  };

  jQuery.fx.interval = 13;

  jQuery.fx.start = function() {
    if ( !timerId ) {
      timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
    }
  };

  jQuery.fx.stop = function() {
    clearInterval( timerId );
    timerId = null;
  };

  jQuery.fx.speeds = {
    slow: 600,
    fast: 200,
    // Default speed
    _default: 400
  };

// Back Compat <1.8 extension point
  jQuery.fx.step = {};

  if ( jQuery.expr && jQuery.expr.filters ) {
    jQuery.expr.filters.animated = function( elem ) {
      return jQuery.grep(jQuery.timers, function( fn ) {
        return elem === fn.elem;
      }).length;
    };
  }
  jQuery.fn.offset = function( options ) {
    if ( arguments.length ) {
      return options === undefined ?
          this :
          this.each(function( i ) {
            jQuery.offset.setOffset( this, options, i );
          });
    }

    var docElem, win,
        box = { top: 0, left: 0 },
        elem = this[ 0 ],
        doc = elem && elem.ownerDocument;

    if ( !doc ) {
      return;
    }

    docElem = doc.documentElement;

    // Make sure it's not a disconnected DOM node
    if ( !jQuery.contains( docElem, elem ) ) {
      return box;
    }

    // If we don't have gBCR, just use 0,0 rather than error
    // BlackBerry 5, iOS 3 (original iPhone)
    if ( typeof elem.getBoundingClientRect !== core_strundefined ) {
      box = elem.getBoundingClientRect();
    }
    win = getWindow( doc );
    return {
      top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
      left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
    };
  };

  jQuery.offset = {

    setOffset: function( elem, options, i ) {
      var position = jQuery.css( elem, "position" );

      // set position first, in-case top/left are set even on static elem
      if ( position === "static" ) {
        elem.style.position = "relative";
      }

      var curElem = jQuery( elem ),
          curOffset = curElem.offset(),
          curCSSTop = jQuery.css( elem, "top" ),
          curCSSLeft = jQuery.css( elem, "left" ),
          calculatePosition = ( position === "absolute" || position === "fixed" ) && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1,
          props = {}, curPosition = {}, curTop, curLeft;

      // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
      if ( calculatePosition ) {
        curPosition = curElem.position();
        curTop = curPosition.top;
        curLeft = curPosition.left;
      } else {
        curTop = parseFloat( curCSSTop ) || 0;
        curLeft = parseFloat( curCSSLeft ) || 0;
      }

      if ( jQuery.isFunction( options ) ) {
        options = options.call( elem, i, curOffset );
      }

      if ( options.top != null ) {
        props.top = ( options.top - curOffset.top ) + curTop;
      }
      if ( options.left != null ) {
        props.left = ( options.left - curOffset.left ) + curLeft;
      }

      if ( "using" in options ) {
        options.using.call( elem, props );
      } else {
        curElem.css( props );
      }
    }
  };


  jQuery.fn.extend({

    position: function() {
      if ( !this[ 0 ] ) {
        return;
      }

      var offsetParent, offset,
          parentOffset = { top: 0, left: 0 },
          elem = this[ 0 ];

      // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
      if ( jQuery.css( elem, "position" ) === "fixed" ) {
        // we assume that getBoundingClientRect is available when computed position is fixed
        offset = elem.getBoundingClientRect();
      } else {
        // Get *real* offsetParent
        offsetParent = this.offsetParent();

        // Get correct offsets
        offset = this.offset();
        if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
          parentOffset = offsetParent.offset();
        }

        // Add offsetParent borders
        parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
        parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
      }

      // Subtract parent offsets and element margins
      // note: when an element has margin: auto the offsetLeft and marginLeft
      // are the same in Safari causing offset.left to incorrectly be 0
      return {
        top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
        left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
      };
    },

    offsetParent: function() {
      return this.map(function() {
        var offsetParent = this.offsetParent || document.documentElement;
        while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position") === "static" ) ) {
          offsetParent = offsetParent.offsetParent;
        }
        return offsetParent || document.documentElement;
      });
    }
  });


// Create scrollLeft and scrollTop methods
  jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
    var top = /Y/.test( prop );

    jQuery.fn[ method ] = function( val ) {
      return jQuery.access( this, function( elem, method, val ) {
        var win = getWindow( elem );

        if ( val === undefined ) {
          return win ? (prop in win) ? win[ prop ] :
              win.document.documentElement[ method ] :
              elem[ method ];
        }

        if ( win ) {
          win.scrollTo(
              !top ? val : jQuery( win ).scrollLeft(),
              top ? val : jQuery( win ).scrollTop()
          );

        } else {
          elem[ method ] = val;
        }
      }, method, val, arguments.length, null );
    };
  });

  function getWindow( elem ) {
    return jQuery.isWindow( elem ) ?
        elem :
        elem.nodeType === 9 ?
            elem.defaultView || elem.parentWindow :
            false;
  }
// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
  jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
    jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
      // margin is only for outerHeight, outerWidth
      jQuery.fn[ funcName ] = function( margin, value ) {
        var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
            extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );

        return jQuery.access( this, function( elem, type, value ) {
          var doc;

          if ( jQuery.isWindow( elem ) ) {
            // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
            // isn't a whole lot we can do. See pull request at this URL for discussion:
            // https://github.com/jquery/jquery/pull/764
            return elem.document.documentElement[ "client" + name ];
          }

          // Get document width or height
          if ( elem.nodeType === 9 ) {
            doc = elem.documentElement;

            // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
            // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
            return Math.max(
                elem.body[ "scroll" + name ], doc[ "scroll" + name ],
                elem.body[ "offset" + name ], doc[ "offset" + name ],
                doc[ "client" + name ]
            );
          }

          return value === undefined ?
              // Get width or height on the element, requesting but not forcing parseFloat
              jQuery.css( elem, type, extra ) :

              // Set width or height on the element
              jQuery.style( elem, type, value, extra );
        }, type, chainable ? margin : undefined, chainable, null );
      };
    });
  });
// Limit scope pollution from any deprecated API
// (function() {

// })();
// Expose jQuery to the global object
  window.jQuery = window.$ = jQuery;

// Expose jQuery as an AMD module, but only for AMD loaders that
// understand the issues with loading multiple versions of jQuery
// in a page that all might call define(). The loader will indicate
// they have special allowances for multiple jQuery versions by
// specifying define.amd.jQuery = true. Register as a named module,
// since jQuery can be concatenated with other files that may use define,
// but not use a proper concatenation script that understands anonymous
// AMD modules. A named AMD is safest and most robust way to register.
// Lowercase jquery is used because AMD module names are derived from
// file names, and jQuery is normally delivered in a lowercase file name.
// Do this after creating the global so that if an AMD module wants to call
// noConflict to hide this version of jQuery, it will work.
  if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
    define( "jquery", [], function () { return jQuery; } );
  }

})( window );